Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
with my children and grandchildren.
与儿子、 孙子们在一起。
Cut your coat according to your cloth.
量布裁衣。
The material was not damaged by us.
东西不是我们损坏的。