Elatrometer
[化] 气体密度计
🗣️ 情景例句
Advertising, bills, bills, advertising.
广告 ，帐单 ，帐单 ，广告。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？
We're Ready To Place Our Order.
我们准备好下订单了。