Side substitution
[化] 侧链取代; 侧链取代作用
🧩 词语组成解析
side
[said]
n. 面，边;方面;侧面;旁边;
adj. 侧面的;旁边的;次要的，枝节的;副的;
vi. 支持，同意;偏袒;附和;站在…一边;
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
I was when I first came to the United States.
当我刚到美国来的时候是感到有点紧张。
How much is a one-way ticket?
单程车票多少钱一张？
They were climbing up the wall of the house and then on to the leaves of the tree.
它们正在顺着房子的外墙往上爬，然后爬上树叶。