Boratofluoric acid
[化] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
Let's call it a day.
让我们今天就到此为止吧。
Why don't you buy a radio? Then you can listen to China Radio International or BBC English programmes on the radio.
你为什么不买台收音机呢？那样你就能听中国国际广播电台或者BBC英语广播节目了。