Pentaborate
五硼酸盐
🗣️ 情景例句
That's what I came to ask you to do, Malcolm.
这正是我来请你做的， Malcolm。
There is a black sheep in every flock.
群群羊中有黑羊。
One year for our birthday Mom gave us both a T-shirt two green T-shirts!
有一年过生日，妈妈送给我俩各一件T恤衫--两件绿的T恤衫。