Acenaphthylene
[化] 苊烯
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
A tree is known by its fruit.
观其行而知其人。
'I must be at work at 10 o'clock.
“我必须在10点钟上班，我的雇主会证明我是按时到了那儿的。