Tetrode
n. 四极管
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。