Norbornylene
[化] 降冰片烯
🗣️ 情景例句
we love having you here.
我们喜欢你们住这里 。
This window is just as big as that one.
这扇窗户刚好和那扇一样大。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。