Plummerblock
推力轴承
🗣️ 情景例句
He is not very interesting to talk to.
跟他谈话没味道。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
I knew that experts from the local museum would soon visit the cave.
我知道本地博物馆的专家会很快到山洞来探访。