Dispersemeter
色散计, 弥散计
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
Content is happiness.
知足常乐。
By bicycle? From Beijing? That's a long trip.
骑自行车去？从北京出发？这可是长途旅行呀。