It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.
把轮子拧紧是很重要的,否则它们会因振动松动、脱落。
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This article also put forward proposals on tighten up the management of under artificial feeding.
并对如何加强丹顶鹤的饲养管理提出了具体建议.
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Work swiftly, but don't tense up; relax your body and mind and never tighten up.
工作要赶不要急, 身心要松不要紧.
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Bob Munro: Whenever a big white man picks up a banjo, my cheeks tighten.
鲍勃·诺: 无论啥时候当一个大个子白人拿起五弦琴, 我的脸就会绷紧了.
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What's up, love?'he said huskily, panic starting to tighten his jaw.
楚什么事了, 亲爱的? 他急促问道, 一阵恐惧使得他的下巴开始收紧.
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