/streɪn ||; stren/noun1 [U] pressure that is put on sth when it is pulled or pushed by a physical force 拉力;推力;张力: Running downhill puts strain on the knees. 跑下山坡时膝部会绷得很紧。The rope finally broke under the strain. 那条绳子绷紧之下终于断了。
2 [C,U] worry or pressure caused by having too much to deal with 担忧;紧张: to be under a lot of strainat work 工作压力很大
3 [C] something that makes you feel worried and tense 令人担忧和紧张的事物: I always find exams a terrible strain. 考试总是令我焦虑不安。
4 [C,U] an injury to part of your body that is caused by using it too much 劳损
5 [C] one type of animal, plant or disease that is slightly different from the other types (动植物的)系,品系;(疾病的)类型