词汇	frequen
释义	frequen 🌏频
随便看	expansion strengthening band expansion stress Expansions,Trinucleotide Repeat expansion strip expansion stroke expansion-stroke expansion structure expansion stuffing box expansion suspender expansion switch chamfered joint expansion switch feathered joint expansion switch scarfed joint expansion switch splice joint expansion system expansion table expansion tank Expansion tank and fluid reservoir expansion tank, expansion drum expansion tank for boiler expansion tap expansion-tap expansion task expansion team Expansion Technic,Palatal Expansion Technics,Palatal