problem的复数形式为：problems...

甘油茶碱，二羟丙茶碱...

n.（家畜的）干饲料...

I wonder he should be so improvident in a point of such common, such natural , concern!我不相信他对于这样平平常常 、 屡见不鲜的利害关系如此缺乏先见之明!Her improvident speech at the meeting has set a stone rolling.她在会上的发言缺乏远见,已产生严重后果.You will pay for ...

地恩丙胺...

provisions的音标：...

残杀威...

procrastinating的音标：...

prostate的音标：prostate的英式发音音标为：['prɒsteɪt]prostate的美式发音音标为：['prɑsteɪt]...

n.白铜...

proletariat的音标：proletariat的英式发音音标为：[ˌprəʊlə'teəriət]proletariat的美式发音音标为：[ˌproʊlə'teriət]...

isopropylamine的音标：isopropylamine的英式发音音标为：[aɪsəprɒpɪ'læmaɪn]isopropylamine的美式发音音标为：[aɪsəprɒpɪ'læmaɪn]...

This compass serves as a protractor.这个罗盘可用作分度规.To draw to scale by means of a scale and protractor; plot.测绘用圆规和量角器划线和角; 标绘.I can't find my protractor.我找不到我的半圆仪了....

邻间的...

The play was so regularly performed that there was no need of written prompts.这戏经常演出,没必要使用书面提示.It is this fact which prompts us to declare that the wasp is not free.正是这一事实促使我们宣称,那只黄蜂不是自由的.One - click audio recording now ...

v.复制( reproduce的第三人称单数 )，重现，再版，生殖...

probe的音标：probe的英式发音音标为：[prəʊb]probe的美式发音音标为：[proʊb]...

The Sussex ironworks were carried on at such a prodigious expense of wood.苏塞克斯铁厂象这样办下去使木材造成如此惊人的耗费.So let freedom ring from the prodigious hilltops of New Hampshire.所以,让自由的回声响彻新罕布什尔州连绵不绝的山头吧!...her prodigious entrepreneu...

providers的音标：providers的英式发音音标为：[prə'vaɪdəz]providers的美式发音音标为：[prə'vaɪdəz]...

It's an ideal proving ground for the new car.这里是个理想的新车试验场。The Minister was proving unbending on key issues.在关键问题上该部长决不通融.He has determined on proving his friends'innocence.他决心替他的朋友洗清罪名....

protective的音标：protective的英式发音音标为：[prə'tektɪv]protective的美式发音音标为：[prə'tɛktɪv]...

密闭度...

The captives prostrated themselves before the conqueror.俘虏们俯伏在征服者面前.They prostrated themselves before their king.他们向国王跪拜行礼。They prostrated themselves before the emperor.他们拜倒在皇帝的面前.He was prostrated by the loss of his wif...

n.围裙，[航] 停机坪，[机]（防护）挡板，舞台口vt.用围裙围住，围绕...

Propositions的音标：...

Their attraction to each other as friends is reciprocated.作为朋友，他们相互吸引着对方。He reciprocated by wishing her good luck.他也祝她交好运.To every attack he reciprocated with a blow.他每次受到攻击都回击....

肠内空虚...

v.生（儿、女），生育，生殖( procreate的现在分词 )...

hydroxyprolinemia的音标：hydroxyprolinemia的英式发音音标为：[haɪdrɒksɪprəlɪ'ni:mɪə]hydroxyprolinemia的美式发音音标为：[haɪdrɒksɪprəlɪ'nimɪr]...

improvise的音标：improvise的英式发音音标为：['ɪmprəvaɪz]improvise的美式发音音标为：['ɪmprəˌvaɪz]...