Densometer
n. (纸张)透气度测定仪, 密度计
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
According to the latest census,our population has increased.
根据最近的人口普查，我们的人口增加了。
The line's busy. I'll try again later.
电话占线，过一会我再打。