Methylacetylene
[化] 丙炔; 甲基乙炔
🗣️ 情景例句
Thank you, Gerald.
谢谢你！Gerald。
It wasn't any bother.I was glad to do it.
不麻烦.我乐意做。
Such a messenger, receiving our radio and television signals,
这种自动化信息装置，在接收到我们的无线电和电视信号后，