skulk的现在进行时为：skulking...

nip的现在进行时为：niping...

waddle的现在进行时为：waddling...

defoliate的现在进行时为：defoliating...

rain的现在进行时为：raining...

skid的现在进行时为：skidding...

circumnutate的现在进行时为：circumnutating...

burden的现在进行时为：burdening...

“突进”的英语可以翻译为：advance by leaps and bounds，march forward，press onward，dart，dartle ...

pitch的现在进行时为：pitching...

jollify的现在进行时为：jollifying...

engarland的现在进行时为：engarlanding...

exempt的现在进行时为：exempting...

“推进力”的英语可以翻译为：drive，impellent，propulsion，[机] propulsive force ...

flux的现在进行时为：fluxing...

...

slaver的现在进行时为：slavering...

recombine的现在进行时为：recombining...

enamor的现在进行时为：enamoring...

liberate的现在进行时为：liberating...

masturbate的现在进行时为：masturbating...

invalid的现在进行时为：invaliding...

“促进的”的拼音为：...

“增进”的拼音为：zēng jìn...

Linotype的现在进行时为：linotyping...

berate的现在进行时为：berating...

eddy的现在进行时为：eddying...

fuck的现在进行时为：fucking...

savour的现在进行时为：savouring...

manhandle的现在进行时为：manhandling...