Chambering
内腔加工, 扩孔
🗣️ 情景例句
know that I'm running for office
知道我正在竞选公职，
I told him to stay for supper.
我告诉他留下来吃晚餐。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，