Pentamethylene
n. [化]环戊烷
🗣️ 情景例句
It isn't the way I hoped it would be.
这不是我所盼望的。
The students tumbled over each other as they got off the bus.
学生们下车的时候，由于拥挤一个叠一个的摔倒了。
Yes, my whole body hurts.
是的。我全身都在疼。