Permeometer
织物透气性测试仪
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
Better be alone than in bad company.
交损友不如无友。
Oh, I usually come by bus too.
噢，我也常乘公共汽车。