Acetylenebromide
[机] 乙炔基溴
🗣️ 情景例句
Yes. Very much.
是的， 非常爱。
No safe wading in an unknown water.
未知水深浅，涉水有危险。
Shrugging my shoulders, I began to walk away when,
我耸耸肩膀掉头走开了。