chemistry
n[U]
1 scientific study of the structure of substances, how they react when combined or in contact with one another, and how they behave under different conditions 化學(xué)
Chemistry was her favourite subject at school. 她上學(xué)時(shí)最喜歡化學(xué).
[attrib 作定語(yǔ)]
a chemistry lesson 化學(xué)課.
2 chemical structure, properties (property 4) and reactions of a particular substance 某物質(zhì)的化學(xué)組成、 性質(zhì)和反應(yīng)
the chemistry of copper 銅的化學(xué)組成、 性質(zhì)和反應(yīng).
3 any mysterious or complex change or process 任何神秘的或復(fù)雜的變化或過(guò)程
the strange chemistry that causes two people to fall in love 使兩人相愛(ài)的不可思議的過(guò)程.
knotn. 結(jié)，繩結(jié)，結(jié)節(jié)，（裝飾用的）花結(jié)，蝴蝶結(jié);[航]節(jié)(=浬/小時(shí))，浬，海里;（樹(shù)木或木材上的）節(jié)疤，（人或動(dòng)物身上的）硬塊，節(jié)，瘤;難事，難題，麻煩事，（問(wèn)題的）要點(diǎn)，（戲劇，小說(shuō)的）情節(jié)的征結(jié);
vt.& vi. 把…打結(jié)，把…連結(jié)，捆扎，包扎;使密切結(jié)合;使糾結(jié);皺（眉）;