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
Oh yes, yes. My husband's there now.
啊， 对 对。我丈夫现在就在那儿。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，