I've just been in a trendy student bar opposite. I received some funny looks inside the men's lavatory for brushing my teeth in the sink, but needs must.
我刚到了对面一家时尚的学生酒吧，在厕所的脸盆里刷牙时招来奇怪的目光，但是我必须要刷牙了。
2
Rack and pinion: Mechanical device consisting of a Bar of rectangular cross section (the rack), having teeth on one side that mesh with teeth on a small gear (the pinion).
齿条和小齿轮：一种机械装置，由一条矩形截面的杆(齿条)和一个与齿条上的齿相啮合的小齿轮组成。
3
Institute of shells before the Spring and Autumn Period Yubo teeth "Flowing Water." Perhaps too much concentration on bar.