Amylacetylene
[化] 戊基乙炔; 庚炔
??? 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不會(huì)輕易出故障？
It's been a long time.
好久不見了。
I can just have a glance at the rest.
剩下的部分我粗略地看一下就可以了。