Tetrabromopyrrol
四溴吡咯
🗣️ 情景例句
Everything.
每一样事情。
Do you always fold the clothes after you bring them in off the line?
你把衣物从晒衣绳收下来时，会把它叠好吗？
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。