(1)值班船员；当值班
在海上，船员通常分为左舷、右舷两班，轮流值班，尤指夜间值班，通常是每隔2或4小时换班。

(2)值班时间；当值时间
军官和船员在一天中值班的时间段，尤指夜间。

• tax court
• tax credit
• tax deduction
• tax deed
• tax deficiency
• tax deficiency notice
• taxers
• tax evasion
• tax exempt
• tax-exempt bond
• tax exempt income
• tax exemption
• tax-exempt organization
• tax exempt securities
• tax ferrets
• tax foreclosure
• tax fraud
• tax-free exchange
• tax-free income
• tax-free property
• tax haven
• tax home
• tax incentive
• tax increment financing
• taxing district