system的复数形式为：systems...

author的复数形式为：authors...

vista的复数形式为：vistas...

maestro的复数形式为：maestros...

wit的复数形式为：wits...

informality的复数形式为：informalities...

punishment的复数形式为：punishments...

bicycle的复数形式为：bicycles...

majority的复数形式为：majorities...

eddy的复数形式为：eddies...

strife的复数形式为：strives...

spasm的复数形式为：spasms...

company的复数形式为：companies...

bogie的复数形式为：bogies...

coincidence的复数形式为：coincidences...

favor的复数形式为：favors...

petrol的复数形式为：petrols...

Stoker的复数形式为：stokers...

public的复数形式为：publics...

" 我想回廓上还有 锯齿形 的栏杆吧?" I suppose it had jigsaw work on the porch banisters? "我们来研究图9中一组相似三角形的锯齿形模型.Let's consider the sawtooth pattern of similar triangles in Fig . 9.槽刀采用锯齿形设计刀片, 省力耐用.The blade of groove is designed ...

supplement的复数形式为：supplements...

hype的复数形式为：hypes...

mount的复数形式为：mounts...

ability的复数形式为：abilities...

refinement的复数形式为：refinements...

commute的复数形式为：commutes...

dividend的复数形式为：dividends...

daughter-in-law的复数形式为：daughters-in-law...

radiant的复数形式为：radiants...

pang的复数形式为：pangs...