Aviotronics
航空电子学
🗣️ 情景例句
Try again.
再试一次。
We've got to get a bed and a dresser for the bedroom.
我们必须有一张床和梳妆台放在卧室。
Wei Hua's pen was broken, so she needed a new one.
魏华的钢笔坏了，所以她需要一支新笔。