Preventor
防护装置
🗣️ 情景例句
When do you need the money?
你什么时候需要钱？
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。