Rotacore
软岩层用钻头
🗣️ 情景例句
Well, I've thought a lot about which college,
嗯， 我为了上哪一所大学想了很多，
We are in great need of Grade A.
我们急需一等品。
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.
假设你在做饭，同时又在照看孩子。