Pentaborate
五硼酸盐
🗣️ 情景例句
I'm sorry. I dialed the wrong number.
对不起，我打错电话了。
Then we could look at the production line.
然后我们再去看看生产线。
I'd come too if I had time to spare.
如果我能匀出时间，我也愿意去。