Underreamer
扩孔器
🗣️ 情景例句
Aren't you happy with your present occupation?
你对目前的工作不满意吗？
Love is full of trouble.
爱情多烦恼。
They could be saved so much misery and expense if they chose to live in the city where they rightly belong.
要是他们愿意住在本来属于他们的城市，则可以让他们省去诸多不便与节约大量开支。