Pentabromophenol
五溴苯酚
🗣️ 情景例句
And if you ever need Dad or me to help you ...
如果你们的确需要我和爸爸的帮助的话 ……
He who would climb the ladder must begin at the bottom.
爬梯必须从底层开始。
I'm sorry. I think I dialled the wrong number.
对不起。我想我拨错了号码。