Precalcic
a. (某些矿石)主要含钙的
🗣️ 情景例句
I told you. He'll use any excuse to avoid math.
我说嘛 ，他就是要找各种藉口来逃避数学。
It's two o'clock.
两点钟。
I slipped and fell downstairs.
我滑了一跤，从楼梯上摔下来了。