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- The helical theory regards right handed helix as D-rotatory and left handed helix as L-rotatory. 螺旋理论认为：左手螺旋呈左旋性，右手螺旋呈右旋性；
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- He injured his left hand in a fire. 他在火灾中伤了左手。
- Some people write with their left hand. 有些人用左手写字。
- left hand helix 左向螺旋线
- A turn in the direction of the left hand or side. 向左转朝左手或左边方向的转弯
- Fewer people write with their left hand than with their right. 用左手写字的人比用右手的少。
- "You are not quite such a fool as you look", is a left handed compliment. "你看来不那么笨嘛"是一句言不由衷的恭维话。
- He carried the fat briefcase in his left hand. 他左手提着那只鼓鼓囊囊的皮包。
- His left hand was resting on the table. 他的左手搁在桌子上。
- Fig.2 Showing lelf| handed helix of the isolated secondary wall and the join structure of vertical line( arrow). 图2示离体次生壁的形态，左手螺旋和垂直线联结结构(箭头)。
- His left hand has been narcotized. 他的左手现已局部麻醉。
- Are you able to write with your left hand? 你能用左手写字吗?
- I always write the word with the left hand. 我总是用左手写字。
- Your left hand is swollen. Does it hurt? 你的左手肿了，疼吗?
- Counts from the left hand the Second keystroke. 从左手边数起第二个按键.
- He beckoned with his left hand . 他用左手打招呼。
- All polar bears are left handed. 所有的北极熊都是左撇子。
- He writes as if he were left handed. 看他写字的样子是个左撇子。
- Put your left hand on your right elbow. 把你的左手放在右肘上。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
