Then I washed my teeth and face

洗牙───Tooth washing;后来───later

Switch off tap while brushing tooth or washing face.───洗脸梳头等时候，关闭水龙头。

shock response of washing cushioning system is investigated under the action of bock crest tooth pulse.───研究了后峰锯齿脉冲激励下洗衣机缓冲包装系统的冲击响应。