Beachballs
(beachball 的复数) n.(紧急情况下将宇航员从沿轨道运行的航天器转移入救援运载工具的)密封球形救生器
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
Last week, a group of Class 3 students decided to go to the museum in the centre of the town.
上星期，3班的一群学生决定去参观位于城镇中心的博物馆。