Gravitational settling
[化] 重力沉降
?? 詞語組成解析
gravitational
['gr?v?'tei??n?l]
adj. 萬有引力的，重力的;地心吸力的;
n. 沉淀物\\n[法] 固定, 移住, 殖民
??? 情景例句
What's up?
有什么事？
An honest man's word is as good as his bond.
誠實人的話像他的契約一樣靠得住。
I have to wash all the plates and things after meals, and do a lot of work in the garden.
飯后我得洗全部盤子和其他東西，還要在花園里干很多活。