除草剪刀；专门用于修剪缝隙角落里的青草。Grass shears are specially made to trim grass growing in awkward places.她从窗台上拿起一把剪刀。She picked up a pair of scissors from the windowsill.这把剪刀太沉了。These scissors are awfully heavy....
The money he made from these extra-curricular activities enabled him to pursue other ventures.他从这些额外工作中赚取的钱使他可以从事其他事业。Yeah, but it was only discussed as material for extra - curricular studies.嗯, 不过是作为课外材料来讲的.We must und...
Cough suppressants and some antihistamines may help quiet an annoying cough.镇咳药和一些抗组织胺类药物能帮助驱除烦人的咳嗽.Antihistamines are the medications most commonly used to diminish allergic symptoms.抗组胺药是药物最常用的,以减少过敏症状.Antihistamines o...
Development of detergents has required optimization of the surfactants structure.发展洗涤剂时,要求使用最恰当的表面活性剂结构.In the case of productivity tools and other non - entertainment - oriented products, this optimization means minimiz...
The enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently.经纯化后催化活性实验结果表明,醛缩酶可将N- 乙酰 -D- 甘露糖胺高效率地转化为N - 乙酰-D-神经氨酸,表现出较高的催化活性.The N - ...
Many teachers qualify for an annual increment.许多老师都有资格获得每年的加薪。Each increment of knowledge tells us more of our world.知识的点滴增长都会增进我们对世界的认知。To each increment of load they respond with a definite change of stress and deforma...