Pentamethylene
n. [化]环戊烷
🗣️ 情景例句
I wish the weather was like this all year.
我希望整年都是这样的天气。
Your right hand is swollen.Does it hurt?
你的右手是肿的.它受伤了吗？
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。