Subresonance
亚共振; 二次共振
🗣️ 情景例句
This job is hard work.
这活儿太累人了。
We would be glad to start business with you.
我们很高兴能与贵公司建立贸易往来。
We're going to spend three days in the country.We're going to stay at my mother's for the weekend.
我们打算到乡下去三三，在我母亲家度周末。