Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
Fifth word, seven.
第五个字是"seven。
Went on to get his master's degree from harvard.
然后在哈佛大学取得了学士学位。
I love this movie. I have seen it ten times.
我太喜欢这片子了！看了十遍了，我！