Alkyl
n. 烷基, 烃基\\na. 烷基的, 烃基的
🗣️ 情景例句
If you want to make the intelligent choice, Trust me on this.
如果你想作出明知的抉择，那就相信我吧。
Easier said than done.
说话容易做事难。
if it is really attended by the illumination of another field of interest,
而且的确受到别的领域的情趣的启迪，