老人撩起开襟毛衣挠了挠身体的一侧。The old man lifted his cardigan to scratch his side.运动对身体的好处可以分为3个方面。The physical benefits of exercise can be divided into three factors.天冷时，身体的抵抗力会下降。The body may be less resistant if it is cold....
The Galactic Dust in Corona Australis: Two blue - reflection nebulae.南冕座星尘内,两个星云焕发着梦幻般的蓝色光辉.aurora australis南极光OBJECTIVE : To establish an assay of quercetin and kaempferol in the seeds of Cuscuta australis R.目的: 建立南方菟丝子...
at last的近义词有：at last, at length, eventually, finally, in the end, lastly。下面这些词或词组均含有"最后，终于"的含义：at last ：多指经主观努力，克服各种困难后才终于达到目的。at length ：强调经历一段长时间后终于完成，侧重在时间部分。eventually ：侧重于动作或行为的结果。finally ：常与at last换用，都可用于对往事的描述，但fi...
Neurons in the upper layers of the superior colliculus have well - defined receptive fields.神经元在上丘的上层有明确的接收区.An inactivating BK current ( BKi ) was identified in rat small dorsal root ganglia ( DRG ) neurons.发现在大鼠小直径的背根神...
Plackett - Burman experiment shows that wheat bran, syrup and KH 2 PO 4 have noticeable effect on the aminopeptidase productivity.Plackett -Burman实验 表明培养基中麸皮 、 果葡糖浆、KH2PO4三种组分是影响发酵产酶的显著因素.The important fators which affec...