The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。
新概念英语第四册
Lesson 23 Bird flight
📚 句中词汇解析
从本句中提取的重要词汇
n. 课程;航线;行动方向;一道菜;
vt. 快速地流动;奔流;跑过;追逐;
vi. 沿…（方向）前进;指引航线;快跑;迅速移动;
💡 cour 发生+se → n. 发展；进程，课程，一道菜
"There were only three of us on the advanced course."
只有我们三人学高级课程。
近义：racecourse, racetrack, speedway, track, pass, range
adj. 极大的，巨大的;浩瀚的，无边际的;〈口〉非常好的;弘道;
💡 im不+mense计量，测量→不能测量→无限的
"There is still an immense amount of work to be done."
还有非常非常多的工作没有做。
近义：huge, incommensurate, infinite, large, mammoth, massive
adj. 足够的;充足的;充分的;
💡 suf在…下面+fici做+ent...的→在下面先做好要用的→足够的
"The country is totally self-sufficient in food production."
在粮食生产上，这个国家完全做到了自给自足。
近义：sufficing, enough
反义：inadequate, incomplete, insufficient, lacking, bad, scanty
n. 食物，营养，养料;
💡 sus在…下面+ten支撑+ance名词后缀→支撑下去的东西→生活资料，粮食
"There's not much sustenance in a bowl of soup."
一碗汤没多少营养。
近义：livelihood, living, subsistence, support, survival, sustentation
n. 进步;前进;[生物学]进化;（向更高方向）增长;
v. （使）进步，（使）进行;发展;促进;
vi. 发展;（向更高方向）增进;
💡 pro向前，在前+gress走→向前走
"She watched the cow's ponderous progress."
她看着牛迟缓地向前走着。
近义：improve, unfold, advance, develop, evolve, gestate
反义：pullback, pullout, recoil, retirement, walkout, withdrawal