Ethynylation
炔化, 乙炔化作用
🗣️ 情景例句
Goodbye, come again soon.
再见，下次再来。
The bone will have to be re-set.
你必须（被）接骨。
The dish rose to the surface and was gently drawn towards the canal bank.
盘子慢慢浮出水面，被轻轻地拽向运河岸边。