Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.
一旦我们找到这样一颗行星，我们就要想办法将它的恒星射过来的光线遮暗，这样我们就能彻底“看见”这颗行星，并分析它的大气层。
新概念英语第三册
Lesson 55 From the earth Greetings
📚 句中词汇解析
从本句中提取的重要词汇
adv. 一次，一趟;一倍;曾经;一旦;
conj. 一旦…就…;一经;
n. 一次，一回;
💡 on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
细菌一进入血液里，就附着在红细胞表面上。
近义：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
n. [天]行星;[占星]（左右人命运的）星相;
💡 plano-, plan-, -plany, -plania 表”被动的漂流,闲逛”
"the planet Earth"
地球这颗行星
近义：planetary
adv. 适当地;恰当地;正确地;完全，非常;
💡 proper 恰当的 + ly 表示如...的、有...特征的、属于...的 → adv. 适当地；正确地；恰当地
"How much money do we need to do the job properly?"
我们需要多少钱才能做好这件事？
近义：appositely, appropriately, aptly, aright, justly, particularly
反义：inadequately, inappropriately, naughtily, unsuitably
n. 大气，空气;大气层;风格，基调;气氛;
💡 atmo蒸汽+sphere范围→大气层;空气;气氛
"pollution of the atmosphere"
大气污染
近义：milieu, surroundings, climate, aerosphere, air, environment
vt. <美>分析;分解;解释;对…进行心理分析;
💡 ana再次+lyz=lys裂开，分解，放松+e → 分析
"We should analyze the cause and effect of this event."
我们应该分析这场事变的因果.
近义：inspect, investigate, analyse, examine, judge, assay
反义：ignore, neglect, overleap, overlook, overrule, pass