Picnometer
n. 比重瓶
🗣️ 情景例句
I'm sorry. For these large orders, we insist on payment by L C.
对不起。对于这样金额大的订单，我们坚持用信用证支付。
I don't know how to do that.
我不知道该怎么打。
Some so-called 'modern' pieces have been on display for nearly eighty years.
有些所谓的“现代”艺术品在那里已经陈列了近80年了。