Polyhydronaphthalene
[化] 聚二氢化萘
🗣️ 情景例句
All packed and ready.
都打包好了。
It's time for me to get up.
是我起床的时间了。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。