Photolometer
光电比色计
🗣️ 情景例句
There was no way he could solve the problem.
他根本解决不了这个问题。
To make it easier for us to get the goods ready for shipment, we hope that partial shipment is allowed.
为了便于我方备货装船，希望允许分批发运。
'You needn't have said that,' my wife answered.
“你没必要这么说，”我妻子回答说，