Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
Of course. But it's still best to attempt to settle disputes without invoking arbitration.
当然。不过，最好还是不通过仲裁来解决争议。
It's a matter of life and death.
事关生死。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。