Microtremor
微力震动
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Kinsman helps kinsman,but woe to him that hath nothing.
亲人帮亲人，无亲来帮愁煞人。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。