Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
I took him to Philip's office yesterday for a checkup.
我昨天带他到Philip的办公室去做检查。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Maybe she'd like a new handbag. Her bag doesn't look nice.
她可能想要一个新的手提包。她的提包看起来不够漂亮。