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1、人教新课标高中英语核心词汇释义及例句,选修9第2单元,latitude (6),the position north or south of the equator measured from 0to 90. (Cambridge) n. 纬度 The latitude of the island is 30 degrees north. 这个岛的纬度是北纬三十度。 This gave the seamen the local time and allowed them to find their latitude at sea. (9) Morocco and California are
2、bits of the Earth in very similar latitudes, both on the west coasts of continents with similar climates, and probably with rather similar natural resources. (nce4),at the mercy of (2),at the mercy of sb/sth in the power of sb/sth; under the control of sb/sth 任由某人某事物摆布或控制 The ship was at the mercy o
3、f the storm, ie out of control or helpless. 那只船在暴风雨中失去控制.(Cambridge) 受支配 The workers find themselves absolutely at the mercy of the capitalists. 工人们发现他们完全任由这些资本家的摆布。 The voyages of travellers before the 17th century show that they were not at the mercy of the sea even though they did not have modern
4、 navigational aids. (9) The enemy were at the mercy of us. 敌人在我们面前毫无办法。 (词典例句),encyclopedia (4),a book or set of books containing many articles arranged in alphabetical order which deal either with the whole of human knowledge or with a particular part of it The Cambridge Encyclopedia of Language(Ca
5、mbridge) n. 百科全书 A good encyclopedia is a mine of information. 一部好百科全书是知识宝库。 Read these pages from an encyclopedia. (9) A good encyclopedia (), though expensive, is useful, too, because you can find information on any subject. (2008ah),exploration (19),to search and discover (about something) The be
6、st way to explore the countryside is on foot.(Cambridge) n. 探险；探测 The Elizabethan age was a time of exploration and discovery. 英国女王伊丽莎白一世时代是探索和发现的时代。 However, it was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began on a large scale. (9) While many r
7、esources are spent on what seems a small return, the exploration of space allows creative, brave and intelligent members of our species to focus on what may serve to save us. (2011jx),celestial (1),of or from the sky or outside this world The moon is a celestial body.(Cambridge) adj. 天上的 The sun, th
8、e stars, and the moon are celestial bodies. 太阳、星星、月亮都是天体。 Gravity governs the motions of celestial bodies. 万有引力控制着天体的运动。 (词典例句),equator (8),an imaginary line drawn around the middle of the Earth an equal distance from the North Pole and the South Pole Singapore is/lies on the Equator.(Cambridge) n.
9、赤道 The equator is an imaginary circle around the earth. 赤道是一个围绕着地球的假想的圆。 At the North Pole the North Star is at its highest position in the sky, but at the equator it is along the horizon. (9) Rain forests slightly farther away from the equator remain just as warm, but they have a dry season of thre
10、e months or morn when little rain falls. (2007ln),horizon (11),the line at the most distant place which you can see, where the sky seems to touch the land or sea The moon rose slowly above the horizon.(Cambridge) n. 地平线；视野 The sun dipped below the horizon. 太阳沉到地平线以下。 It measured how high stars were
11、above the horizon using a quarter circle rather than the full circle of the astrolabe. (9) The beach to your right stretches off to the horizon, slowly narrowing to nothingness only to re-emerge again on your left, now steadily widening until it covers the chair beneath you. (2014hb),overhead (8),ab
12、ove your head, usually in the sky This room needs overhead lighting (= lights in the ceiling).(Cambridge) adj. 在头上的 adv. 在头顶上；在空中；在高处 over-=above在之上 An eagle circled high overhead. 一只鹰在高空盘旋。 On a clear day especially during the summer the sailors could use the sun overhead at midday to navigate by.
13、(9) It is unusual to see many birds flying overhead in the summertime, rather than during the periods in the spring or autumn. (2007sx),tide (34),the rise and fall of the sea that happens twice every day high/low tide(Cambridge) n. 潮；潮汐；潮流；趋势 As the tide receded we were able to look for shells. 潮水退去
14、，我们就能寻找贝壳了。 He packed his canoe and paddled for days, ignoring strong tides and freezing water till he came to the island. (7wb) The tide was rushing to the entrance and beyond to the wild open sea. (2005tj) To know how to wait is the great secret of success. 懂得如何等待是成功的秘诀。,knot (8),a fastening made
15、by tying together the ends of a piece or pieces of string, rope, cloth, etc to tie a knot(Cambridge) n. 节 v. 打结 You need a sharp knife to cut through the knot. 你需用快刀才能把结切断。 As the ship advanced through the water the knots were counted as they passed through a seamans hands. (9) The tide was rushing
16、to the entrance and beyond to the wild open sea.There was a knot of tension in his stomach. 他紧张得心揪得紧紧的。 (词典例句),log (15),a thick piece of tree trunk or branch, especially one cut for burning on a fire (Cambridge) n. 原木；木材 The hunter hid in a log cabin. 猎人藏在小木屋里。 The rope was tied to a log which was then thrown into the sea. (9) The log cabin dining house was built in 1929 and offers good camp food. (2005zj),nautical (1),relating to ships, sailing or sailors Youre looking very nautical in your nav
