Ethylidyne
[化] 次乙基
🗣️ 情景例句
Your transmission is shot!
你的传动箱坏了。
Yesterday will not be called again.
光阴一去不复返。
they had escaped from the paper bag and had taken complete possession of the hall!
它们从纸袋里逃了出来，爬得满厅都是！