Permeater
透气性测定仪
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您，但我真的很心烦。
If, however, you were holding an open air garden party or a fete it would be equally possible to insure yourself in the event of bad weather.
如果你要举办一次露天游园会或盛宴，为避免碰上不好的天气而遭受损失也同样可以保险，