Densometer
n. (纸张)透气度测定仪, 密度计
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
This dress is made of silk,isn't it?
这件衣服用丝绸做的，是吗？
That is not in the agreement.
借约上可没有这一条。