strain 四级GMAT考研

He has a strain of melancholy in him.

他有点忧郁。

By careful selecting and roguing the strain was evolved.

这个品种是经过小心的选择与淘汰才培育出来的。

Objective To increase the fermentation yield, a high producing strain of ribostamycin was selected.

目的选育核糖霉素高产菌株,提高其生产发酵水平。

Ovalisation at maximum bending strain in the small scale reeling tests was not measured.

在小型的卷轴测试中基于最大弯曲的成椭圆形是没有规则的。

We found a recessive cataract mutation arose spontaneously in a KUNMING outbred mouse strain.

研究遗传性白内障致病基因，实验动物模型是一个非常好的方式。

Several sailors were straining at the rope.

好几个水手在拼命地拉绳子。

The strain on the rope made it broken.

绳子因受力过大而断了。

Strain at a gnat and swallow a camel.

小事拘谨,大事糊涂。

There is someone straining his ears at the door.

门边正有人在竭力听着什么。

The usual bipyramid-shaped parasporal bodies occur in Lepidoptera-active strains.

一般双金字塔形伴胞体形成于鳞翅目活性株。

The abstraction of carotene from Rhoddoseudo-monas Palustris strain B.

类胡萝卜素的提取进行了研究。

I stopped and listened, straining my ears for any sound.

我停下来听，竖起耳朵倾听任何的声响。

The dog strains at the leash, eager to be off.

狗拼命地扯拉皮带, 想挣脱开去。

The newcomers lacked immunity against local strains of the disease.

新来的人对这一疾病在当地的几种类型缺乏免疫力。

I stood, straining eyes and ears for the faintest stir.

我站着，睁大眼睛，竖起耳朵，捕捉最细微的响动。

Overcrowding imposes mental strains.

过度拥挤使精神紧张。

He strained every sinew to help us, but didn’t succeed.

他尽全力帮助我们,可是没有成功。

Among them, prevanlence of bacterial strain was Legionella pneumophila(Lp) serogroup 1.

主要以嗜肺军团菌血清型1型感染最为常见。

He had a muscular strain.

他肌肉过劳。

He’s straining at the leash to leave Britain for somewhere sunnier.

他急不可待地想离开英国去一个充满阳光的地方。