英语翻译A useful screening method for the presence of PHAs is the incorporation of the dye Nile Red into colonies on agar plates and its detection by fluorescence(Spiekermann et al.).The method has been used widely for therapid identification of

a useful an useful animal?还是a useful animal? useful idea?还是 a useful idea?哈哈哈 ( )useful book a/an useful, useful What ________he gave me A a useful message B a useful information C a useful news D a useful advice what a useful book it _______horse is a useful animal . useful前是加a还是an learn a useful lesson是什么意思 an ufesul还是a useful 用英语翻译 useful的反义词是useless 英语翻译Useful economic life of goodwill You should try your best to remember____from this class A.nothing useful B.useful somethingC.useful everything D.everything useful Our government has done__to stop pollution.A.useful something B.useful anythingC.anything useful D.something useful The book is ___than that one.A.useful B.the most useful C.much more useful D.a little usefulThe book is ___than that one.A.useful B.the most useful C.much more useful D.a little useful 英语翻译Being able to make small talk is a very useful skill in relating with other people.请标准翻译,