Spherical bearing
[电] 球面轴承
🧩 词语组成解析
🗣️ 情景例句
Everyone is expected to stick to the rules.
每个人都要遵守规则。
You look very serious about something.
你似乎有很严重的事。
However, in recent times the old-age pension has only been paid to the poorest people because there has been an increase in the number of people out of work.189
然而阳近一段时间，老年养老金只付给那些最穷的人，因为失业的人数一直在增长。