Patenting
[机] 韧化
🗣️ 情景例句
You are very lucky, Robbie, to have such a nice family.
Robbie你真幸运 拥有这样温馨的家。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？