Conformational
a. [化]构象的
🗣️ 情景例句
I've never worn them before.
我从来没有戴过这个。
Riff raff!
痞子！
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙，而不是等到大学都忙得不可开交的时候。