1、It is vital to keep a check on your speed.经常检查并控制你的车速是至关重要的。
2、We always check people\'s addresses as a matter of course.我们总是照例检查一下人们的地址。
3、Check the oil and water before setting off.出发前应查看一下油和水。
有机肥设备
水利万物而不争,
而万物莫能与之争。
