Allylene
(=methylacetylene)丙炔, 甲基乙炔
🔁 扩展释义
【化】 丙炔
🗣️ 情景例句
What a day!
今天好忙！
Prosperity makes friends and adversity tries them.
富裕招致朋友，困苦考验朋友。
It's about 400 yards from here.
离这儿大约有400码。