Conservations
n. 保存( conservation的名词复数 ); 保护; 避免浪费; 对自然环境的保护
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
The doctor began to operate on the boy.
医生开始给那个男孩动手术。