Three electrode tube
[电] 三极管
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
🗣️ 情景例句
they insisted that I stay.
他们坚持要我留下来。
I'm not waiting for anybody.
我不在等任何人。
It looks as if she's gone away for a few days.
好象她要外出好几天了。