名詞 gravitation:

1. (physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface--Albert Einstein
   同義詞：gravity, gravitational attraction, gravitational force
2. movement downward resulting from gravitational attraction
3. a figurative movement toward some attraction

1. Students are gravitation towards practical subjects which help then to get a job.
   學(xué)生們都被吸引到實(shí)用型的課程上去，因?yàn)檫@些課程將來(lái)能幫助他們找到工作。
2. The pull of gravitation causes matter to have weight.
   萬(wàn)有引力的吸引使物質(zhì)具有重量。
3. The test shows the effects of gravitation on bodies in space.
   這次測(cè)試表明太空中萬(wàn)有引力對(duì)星體的影響。
4. Who discovered the Law of Gravitation?
   誰(shuí)發(fā)現(xiàn)了引力定律？

grav.i.ta.tion

n.（名詞）
Physics
【物理學(xué)】
The natural phenomenon of attraction between massive bodies.
萬(wàn)有引力：巨大物體間相互吸引的自然現(xiàn)象
The act or process of moving under the influence of this attraction.
引力作用：在這種吸引力影響下的運(yùn)動(dòng)或運(yùn)動(dòng)過(guò)程
A movement toward a source of attraction:
趨勢(shì)；傾向：向著吸引源的運(yùn)動(dòng)：
例句：
the gravitation of the middle classes to the suburbs.
中產(chǎn)階段涌向郊區(qū)的趨勢(shì)

【引伸】
grav.ita.tional
adj.（形容詞）
grav.ita.tionally
adv.（副詞）
grav.ita.tive
adj.（形容詞）