Dinitrofluorobene
二硝基氟苯
🗣️ 情景例句
Then you select the leader.
然后选们选出指挥。
In Britain, there are open universities.
在英国，有成人大学。
Use this treatment twice a day for a week. And another thing, at the end of the week, throw the frozen peas away. They won't be fit to eat.
一天治疗两次，一周为一个疗程。还有，一周以后要把冻豌豆扔掉。它们不能吃。