shuāng wān ㄕㄨㄤ ㄨㄢ 双弯 指女子的一双小脚。《剪灯馀话·芙蓉屏记》：“﹝ 王氏 ﹞且生自良家，双弯纤细，不任跋涉之苦。”《初刻拍案惊奇》卷二七：“﹝ 王氏 ﹞且又双弯纤细，鞋弓袜小，一步一跌，吃了万千苦楚。” 清 珠泉居士 《雪鸿小记》卷二：“尝见其理双鬓，束双弯，笑笑生芳，步步移妍。” 《聊斋志异 阿宝》：”少间，女束双弯，解履床下，鹦鹉骤下，衔履飞去。“
双弯矩 bimoment
双弯导管 bicoudate catheter
双弯曲柄 two throw crankshaft ; double throw crankshaft
双弯头 [机] twin elbow ; double bend
双弯曲轴 double-throw crank-shaft ; two-throw crankshaft
双弯电极 double cranked electrode
双弯边对接焊缝 double-flanged butt weld ; flanged butt weld
双弯三通 double sweep tee
双弯曲玻璃 double-bended glass ; bended glass
保持头部和上身竖直，你的双足平稳地放在你前方，从而让你的膝部弯过你的脚趾。
Keep your head and body vertical, and your feet firmly on the floor in front of you so your knees bend over your toes.
从厨房拐个弯就是一间较大的起居室，四双黝黑的眼睛正在盯着一台小电视屏幕。
WHEN I TURNED the corner from the kitchen into the large living room, four pairs of dark eyes looked up from a small TV screen.
观众看到他摇晃了一下,双膝一弯,立刻又恢复了原状,下巴尖在肩膀的掩护下埋得更深。
The audience saw him totter and his knees give, and then saw him recover and tuck his chin deeper into the shelter of his left shoulder.
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