Contraction of catalyst
[建] 催化剂的收缩
🧩 词语组成解析
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
It's destiny.
真是有缘。
yet following her regular practice she had shut them before going out.
而她记得在出门买东西前，她按老规矩是把房门一一锁上的。