1. He has a strain of melancholy in him.
   他有点忧郁。
2. 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。
3. 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应变的成椭圆形是没有规则的。
4. Several sailors were straining at the rope.
   好几个水手在拼命地拉绳子。
5. Strain at a gnat and swallow a camel.
   小事拘谨,大事糊涂。
6. The strain on the rope made it broken.
   绳子因受力过大而断了。
7. The abstraction of carotene from Rhoddoseudo-monas Palustris strain B.
   类胡萝卜素的提取进行了研究。
8. 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。
9. There is someone straining his ears at the door.
   门边正有人在竭力听着什么。
10. 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。
11. 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。
12. 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。
13. The dog strains at the leash, eager to be off.
    狗拼命地扯拉皮带, 想挣脱开去。
14. Overcrowding imposes mental strains.
    过度拥挤使精神紧张。
15. 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。
16. 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。
17. He had a muscular strain.
    他肌肉过劳。
18. 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。
19. Strain the sauce and skim away any fat that rises to the surface.
    把酱汁滤一下, 然后撇去浮在上面的油脂。
20. After six weeks of uncertainty, the strain was beginning to take its toll.
    6 个星期的忐忑不安后，压力开始产生影响了。

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