device例句
The
device had been used operationally some months previously.
该设备几个月之前曾投入运行。
The
device can discriminate between the cancerous and the normal cells.
这台仪器可以辨别癌细胞和正常的细胞。
The built-in safety
device compensates for a fall in water pressure.
该内置式安全装置在水压下降时能提供保护。