Jambstone
侧壁石, 边框石
🗣️ 情景例句
We have to communicate with them more by sending lobbyists.
我们必须通过派遣更多的公关人员。
You've got plenty of time. That's $7.65.
你还富有很多时间。请付7。65美元。
Nearly all the sports practised nowadays are competitive.
现在开展的体育运动几乎都是竞争性的。