Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称,你想知道更多一点吗?
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理,潜水员常常要在水面100英尺以下摸黑工作,