例句
an alarm system
警报系统
a well-designed heating system
设计良好的供暖系统
I don’t understand your filing system.
我不明白你们的归档方法。
We’ve got a good system for dealing with complaints from customers.
我们有一套处理顾客投诉的良好制度。
an alarm system
警报系统
a well-designed heating system
设计良好的供暖系统
I don’t understand your filing system.
我不明白你们的归档方法。
We’ve got a good system for dealing with complaints from customers.
我们有一套处理顾客投诉的良好制度。