Pentabromophenol
五溴苯酚
??? 情景例句
to have a family and grandchildren.
擁有一個家庭和孫子們。
Bind the sack before it be full.
做事應適可而止。
the most destructive effects have come not from physical weapons but from ideas.
破壞作用最大的不是殺人的武器，而是思想。