Underream
较小的扩孔
🗣️ 情景例句
Thanks, Son.
谢谢你， 孩子。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
Good. go ahead and do that.
好啊，就这么办。