Bisbenzothiazole
二苯并噻唑
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
My cousin is a member of a stamp club, He seems stamp collecting.
我的表兄是一个集邮俱乐部成员，他似乎很喜欢集邮。
He said he was educated in the United States.
他说他是在美国受的教育。