词汇	Dull and useless
释义	Dull and useless 蒙懂无用
随便看	replaceable shin replaceable shin plate replaceable sleeve replaceable sleeve stabilizer replaceable slipper Replaceable Stainless Steel Seat and Valve Disc replaceable sub dermal needle electrode replaceable sub-dermal needle electrode replaceable system replaceable thing replaceable tool insert replaceable tool inserts replaceable tread replaceable tread band replaceable tread tire replaceable tread tyre replaceable type bearing replaceable unit replaceable units replace a book on the shelf replace a bulb replace-add operation replace a dll in use replace a dll in use? replace aging distribution piping systems