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.
一旦我們找到這樣一顆行星，我們就要想辦法將它的恒星射過來的光線遮暗，這樣我們就能徹底“看見”這顆行星，并分析它的大氣層。
新概念英語第三冊
Lesson 55 From the earth Greetings
?? 句中詞匯解析
從本句中提取的重要詞匯
adv. 一次，一趟;一倍;曾經;一旦;
conj. 一旦…就…;一經;
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."
細菌一進入血液里，就附著在紅細胞表面上。
近義：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
n. [天]行星;[占星]（左右人命運的）星相;
?? plano-, plan-, -plany, -plania 表”被動的漂流,閑逛”
"the planet Earth"
地球這顆行星
近義：planetary
adv. 適當地;恰當地;正確地;完全，非常;
?? proper 恰當的 + ly 表示如...的、有...特征的、屬于...的 → adv. 適當地；正確地；恰當地
"How much money do we need to do the job properly?"
我們需要多少錢才能做好這件事？
近義：appositely, appropriately, aptly, aright, justly, particularly
反義：inadequately, inappropriately, naughtily, unsuitably
n. 大氣，空氣;大氣層;風格，基調;氣氛;
?? atmo蒸汽+sphere范圍→大氣層;空氣;氣氛
"pollution of the atmosphere"
大氣污染
近義：milieu, surroundings, climate, aerosphere, air, environment
vt. <美>分析;分解;解釋;對…進行心理分析;
?? ana再次+lyz=lys裂開，分解，放松+e → 分析
"We should analyze the cause and effect of this event."
我們應該分析這場事變的因果.
近義：inspect, investigate, analyse, examine, judge, assay
反義：ignore, neglect, overleap, overlook, overrule, pass