21. savanna 热带大草原
$ G7 J6 x& ^9 L' ?4 W, s( e: W; r, Y* {2 T. E" V& D
22. tundra 苔原 ' @2 D- Y2 j1 ?8 t3 u" o3 e
/ N8 c6 k$ `. \& a$ l! v23. topography 地形学 [例] In the topography of the economy, several depressed areas are revealed. , Q, X$ B" ^- |, b/ p
+ c4 x0 N. D( Z. X: z8 q2 w8 ]% `) ]24. compass 罗盘 指南针 ' D; [! w9 Q) Z% {7 H- H
$ n( G5 t4 V2 s( t) Q: R, r" ~& ^
25. meridian 子午线 正午 [例] By international convention, the meridian passes through the original site of the Royal Observatory in Greenwich, England; for this reason, it is sometimes called the Greenwich meridian. ! A% N3 ~4 P; n" f
, |, S( y0 D" n( B m26. parallel 纬线 [例] Beijing is close to the fortieth parallel of north latitude. % c# O4 |6 u1 f, R% E% J3 w
/ T/ N( P3 p7 z1 ^) c9 x27. longitude 经度 经线
1 h4 E5 q' K! A" c2 [2 W% g& x) \5 j- }% n" @/ h# d7 \2 A; u/ B2 O& {
28. latitude 维度 % d5 J0 }3 f: C3 ~, g- g
8 y9 N# ^6 H R$ s( Q) P
29. equator 赤道 [例] The weather is very hot near the equator.
) U7 j& ^4 _: M2 C* H
; p- F8 F! F' z [8 g30. zenith 顶点 顶峰 . J' G8 V+ a/ ^& C2 J6 a y
+ g- G. F& U6 J8 h3 e
31. inlet 小岛 v% q! M% n6 O: ?8 `8 O6 c
- j3 p- ~ U6 \4 f
32. gulf 海湾 [例] The persian Gulf is abundant in crude oil. : U4 A% Y8 i" A s; {
& l1 s3 u: N6 B$ Q4 c33. cliff 悬崖 绝壁 [例] The mountaineer broke a leg while climbing a cliff and was hospitalized for a month. \. e/ Q# K: d
/ i9 P+ N0 F* Q/ [2 r B
34. sandbank 沙洲 沙丘
5 K8 o$ I2 A# k: }6 b+ R2 q; H' ~& J, u: O: W
35. tempest 暴风雨 ) H! s% ~; C# z. o& L2 W& B
$ W9 L d! w+ l$ _* X36. seaquake 海啸
: x5 A9 D/ ~/ {7 D9 O& a
Z$ _, b) a" p- h5 B5 p/ h) S37. estuary 入海口 ' P2 L, k, K( v0 Q. O$ \
% O0 n* B' R, f38. torrent 激流 洪流 - a1 s; F" k- B; u2 k
) x. d2 o+ k- N4 S8 \' ?, s' J" ]
39. tributary 支流 8 q2 y. ~% H, e s" C" v1 A9 w
( P* Q2 X/ R# S5 w+ v/ D& ?
40. confluent 汇合的 |