Undercarriages
n. （飞机的）起落架, 车盘, 着陆装置( undercarriage的复数形式 )
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
Don't worry about it.
别管他！
He doesn't like writing letters, but he likes receiving them.
他不爱写信，但他却喜欢收到信。