Two divers work together while a standby diver remains on the surface.两名潜水员协同工作,同时有一名候补潜水员留在水面上.Lead weights and air cylinders encumbered the divers as they walked to the shore.潜水员向海岸走去时，铅坠和氧气罐使他们步履维艰。At the championship...
The waiters'manners are always so smarmy.那些服务员总是点头哈腰的.Poor service affected the waiters'pocketbook.差劲的服务影响了侍者的收入.Do you really think it's customary to tip the waiters?...你真的认为给侍者小费是约定俗成的吗？It is usual to ti...