Celmide
二溴乙烷
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
Custom rules the law.
习俗影响法律。
It is always the same on these occasions.
每逢这种场合，情况都是这样。