4周搞定2000+托福核心词
strain
常考释义
During times of change they should be thinking (Q30)not only about the strain on their staff but take time out to think of themselves.
在变化的时代，他们应该不仅要考虑他们的工作人员的压力，也需要时间去思考自己。
来源于：剑雅7-Test1n. 压力；负担
The credit crunch caused by strains on the banking system .
因银行系统压力过大而引发的信贷紧缩。
A strain of madness runs deep in that family.
他的父辈都为财宝痴狂。
来自《霍比特人：意外之旅》
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n. 紧张；焦虑；疲惫
Cynthia was more than curious, but she relented when she noticed the strain in her daughter's face.
莘济亚感到特别奇怪，却是很和蔼谛视着她女儿紧张的脸。
You know, things were a little strained when I left.
我离开后，我们的关系变得比较紧张。
来自《兄弟姐妹 第5季第1集》
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v. 拉伤；扭伤；损伤
I strained my back.
我拉伤了后背。
My guess is that you strained the metatarsal.
我猜你应该是扭伤了你的跖骨。
来自《遭遇陌生人》
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n. 品种，品系
Meanwhile, the deadliest strains of the virus perished with their hosts as natural selection favored strains that could infect hosts but not kill them.
同时，由于自然选择更倾向于那些能够感染寄主但不致其死的品系，这种病毒最致命的品系也逐渐地衰败了。
n. 菌株
Even more impressively, DNA analysis of the fungi suggests that the ants improve or modify the fungi by regularly swapping and sharing strains with neighbouring ant colonies.
更令人惊讶的是，对于真菌 DNA 的分析表明，蚂蚁通过与毗邻蚂蚁群进行定期交换和共享菌株来不断提升并改进真菌。
v. 使不堪承受；滥用；过度使用；使过度紧张
Resources will be further strained by new demands for housing.
资源将因新的住房需求而变得更加紧张。
v. 拉紧；绷紧
His brute action strained the ropes that bound Candy's ankles.
他粗鲁的动作把绑住坎迪脚踝的绳子扯紧了。
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