loop的复数形式为：loops...

commendation的复数形式为：commendations...

kilohertz的复数形式为：kilohertz...

cassette的复数形式为：cassettes...

hull的复数形式为：hulls...

thug的复数形式为：thugs...

eyelet的复数形式为：eyelets...

hydrofoil的复数形式为：hydrofoils...

pistol的复数形式为：pistols...

inset的复数形式为：insets...

milestone的复数形式为：milestones...

fritillary的复数形式为：fritillaries...

caterpillar的复数形式为：caterpillars...

kerchief的复数形式为：kerchiefs...

doc的复数形式为：docs...

footer的复数形式为：footers...

grille的复数形式为：grilles...

spice的复数形式为：spices...

exercise book的复数形式为：exercise books...

把这首诗复写两份.Make two copies of this poem.你把这收据上面的原件收下, 我们保留下面的复写件.You receive the top copy of the receipt, and we keep the carbon.她打完了几封信后, 到文书柜把几份复写的信件去存档.When she had typed several letters, she went to a filing cabinet an...

fender的复数形式为：fenders...

Hydra的复数形式为：hydrae...

possibility的复数形式为：possibilities...

capriole的复数形式为：caprioles...

storyteller的复数形式为：storytellers...

honeybee的复数形式为：honeybees...

cliff的复数形式为：cliffs...

blast的复数形式为：blasts...

plaque的复数形式为：plaques...

present的复数形式为：presents...