Photolometer
光电比色计
🗣️ 情景例句
What did you say? I didn't quite get that.
你说什么？我没听清楚。
Some relative clauses in the contract have to be amended owing to the unexpected situation.
由于这种难以预料的情况，合同中的有关条款不得不做些修改。
The chest contained the personal belongings of a seaman, Alan Fielding.
木箱内装有水手艾伦。菲尔丁的私人财物，