Boracium
[机] 硼
🗣️ 情景例句
In any case, you should prepare for the worst.
无论如何你要做好最坏的打算。
He's studying his lesson.
他正在学习课程。
When the grace peroid expires, the contract is annulled.
当这个宽限期届满，你仍未执行合同的话，该合同就终止了。