Ethynyl
n. [化]乙炔基
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
I meet the boy whose aunt is a saleslady.
我遇到那个男孩的姑妈是推销员。
It's a clock.
一只钟。