n.轻度衰弱...

lengthen的现在完成时为：lengthened...

n.精子活力不足...

hypersthenfels的音标：hypersthenfels的英式发音音标为：[haɪpəs'θenflz]hypersthenfels的美式发音音标为：[haɪpəs'θenflz]...

acenaphthenone的音标：acenaphthenone的英式发音音标为：[eɪsɪ'næfθi:nən]acenaphthenone的美式发音音标为：[eɪsɪ'næfθinən]...

lengthen的近义词有：extend, lengthen, stretch, prolong。下面这些动词含有"伸展，延长"或"延伸"的含义：extend：指时间或空间的延长，也可指影响和使用范围等的扩大。lengthen：指把长度或期限拉长或延长，其反义是shorten。stretch：指长度的延伸以及宽度的增加。prolong：通常指时间上延长得超过了一般或正常的限度。...

高密度聚乙烯合成纸（商业名称，比利时UCB产品）...

v.（时间或空间）延长，伸长( lengthen的过去式和过去分词 )...

This movement lengthens your spine and tones the spinal nerves.这一动作舒展脊椎，使脊神经更加强健。Summer lengthens ( out ) into autumn .夏 去秋 来.A relaxed attitude lengthens a man's life, jealousy rots it away.被放松的态度加长男人的生活, 妒忌腐烂它离开....

Arathene的音标：...

Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺....

等气压平衡线...

heathen的音标：heathen的英式发音音标为：['hi:ðn]heathen的美式发音音标为：['hiðən]...

He asked the tailor to lengthen his coat.他请裁缝把他的外衣放长些.We also have mascara designed to lengthen the eyelashes.我们也有一些助长睫毛的睫毛膏.To save time is to lengthen life.时间就是生命，节省时间就是延长生命！The two - way communication can lengthen the...

n.荧蒽...

n.乙烯基，乙川...

n.化学过程减弱...

He quit his job as an office boy in Athens.他辞去了在雅典当办公室勤杂工的工作。I asked the Captain to wangle us three tickets to Athens.我让机长设法给我们弄3张去雅典的票。They'd come on a direct flight from Athens.他们搭乘由雅典直飞这里的航班过来的。...

Maria finished school, and then became the librarian of the Nantucket Athenaeum.中学毕业后, 玛丽当上了南塔克特学会的图书管理员....

抗重症肌无力药...

n.雅典人...

heathen beliefs异教徒的信仰...a heathen temple.异教徒的庙宇She regarded Augustine as a very much of a heathen.她认为奥古斯丁是个十足的异教徒.They first set out to convert the heathen.他们首先着手使异教徒皈依。Abner said solemnly , " all heathen idols are an ab...

asthenobiosis的音标：asthenobiosis的英式发音音标为：[æsθɪ'nəʊbi:əʊsɪs]asthenobiosis的美式发音音标为：[æsθɪ'noʊbioʊsɪs]...

v.（时间或空间）延长，伸长( lengthen的现在分词 )，加长...

n.可靠性，确实性，真实性...

strengthen的第三人称单数（三单）为：strengthens...

v.加强，巩固( strengthen的第三人称单数 )...

胃无力...

heathenize的音标：heathenize的英式发音音标为：['hi:ðənaɪz]heathenize的美式发音音标为：['hiðənˌaɪz]...

The ratio of fluoranthene to pyrene may indicate that PAHarea was mainly from uncompleted combustion.根据荧蒽与芘质量浓度比值判别市区内PAH主要来源于燃料的不完全燃烧....