This leaves fertile soil unprotected and prone to erosion.这会让肥沃的土壤暴露在外，使其容易受到侵蚀。You are playing Russian roulette every time you have unprotected sex.行房时不采取避孕措施是非常危险的。Machinery was often unprotected and accidents were fre...

pronoun的复数形式为：pronouns...

Prosecutor的音标：Prosecutor的英式发音音标为：['prɒsɪkju:tə(r)]Prosecutor的美式发音音标为：['prɑsɪkjutə(r)]...

Use a weatherproof rucksack to carry your camera and lenses around in.用防风雨的帆布背包装照相机和镜头。The finished roof should be weatherproof for years.修过的屋顶若干年内不会漏雨。The Weatherproof louvre is designed for intake and exhaust ventilati...

n.刺，戳( prod的名词复数 )，刺激，促使，（用手指或尖物）戳v.刺，戳( prod的第三人称单数 )，刺激，促使，（用手指或尖物）戳...

progenitor的复数形式为：progenitors...

Proverbs and idioms may become worn with overuse...谚语和习语会由于使用过多而变得俗套。Proverbs exhibit most of the stylistic devices of poetry.许多谚语具有诗的风格和手法.We should not use proverbs and allusions indiscriminately.不要滥用成语典故.Witticisms, m...

adj.突出的，杰出的，突起的，著名的...

progeny的音标：progeny的英式发音音标为：['prɒdʒəni]progeny的美式发音音标为：['prɑdʒəni]...

approve的一般过去时为：approved...

v.（大学的）学监，监考人( proctor的第三人称单数 )...

reproved的音标：...

A light pointer is often useful with a slide projector.光指示器经常与幻灯片放映机一起使用....a 35-millimetre slide projector.35毫米的幻灯机You gave me back the projector.你将幻灯机还给我了。Ability to use Callipers, Micrometers , Gauges, Profile Project...

approbates的音标：...

proofing的音标：proofing的英式发音音标为：['pru:fɪŋ]proofing的美式发音音标为：['prufɪŋ]...

approach的现在完成时为：approached...

propitiate的音标：propitiate的英式发音音标为：[prə'pɪʃieɪt]propitiate的美式发音音标为：[pro'pɪʃiˌet]...

approximated的音标：...

Prominences occur in a variety of forms.日珥以各种形状出现.Bony prominences are padded with cotton sheeting.要在骨头突起处垫上大片棉花....

conj.如果，假如，在…的条件下v.提供，供给( provide的过去式和过去分词)...

proprietor的音标：proprietor的英式发音音标为：[prə'praɪətə(r)]proprietor的美式发音音标为：[prə'praɪɪtɚ]...

His coat was caught by a projecting nail on the wall.他的外套被墙上的一颗铁钉钩住了。With the X - frames projecting into the boxes, the transverse diaphragms were formed.把这些 X 框架放进这些箱体, 就成了横隔梁.In the diagram, the outer portions ofthe pr...

The team had many probables to choose from.这个队有许多获选几率高的候选者可以选择....

闪板硫菌属...

In what way do proletarians differ from manufacturing workers?第十个问题∶无产者和工厂手工业工人有什麽区别?Not only should proletarians emancipate themselves but also the whole mankind.无产者不只要解放他们自己,而且要解放全人类.Don't care the cigar bourgeois...

Here ceased the rapid flow of her self - reproving spirit.至此,她那自责的猛烈心潮平息了." Can't you sea I'm busy?'said Chueh - hui roughly, as if reproving her for persisting.“ 鸣凤,你不看见我这样忙? ” 他短短地说,便抬起头来.Then he sighed....

相对于某事物来说，与某事物成比例...

v.激起( provoke的第三人称单数 )，惹怒，引起，引发...

cyclopropane的音标：cyclopropane的英式发音音标为：[saɪkləʊ'prəʊpeɪn]cyclopropane的美式发音音标为：[ˌsaɪklə'proʊˌpeɪn]...

problem的复数形式为：problems...