人类是不对称的动物，在我们胚胎发育的早期，心脏就转向了左边，肺则往右长，而且左、右肺具有完全不同的结构。
Humans are asymmetric animals. Early in our embryonic development, the heart turns to the left. The liver develops on the right. The left and right lungs have distinct structure.
在图像区域的左边和右边有左箭头和右箭头。
To the left and right of the block of images are left and right arrows.
罗伯特·杰克森(见上图，左数第三位。他左边是罗斯福)——之后成为了纽伦堡战犯审判庭的检察官——只在法学院读了一年。
Robert Jackson (pictured above, third from left, with Roosevelt, left), later chief prosecutor at the Nuremberg war-crimes tribunal, attended just one year of law school.
左尺动脉来自肱动脉的高度，在左边下角的左肩胛骨，并通过内侧的肱动脉和正中神经。
The left ulnar artery originated from the brachial artery at the height of the left inferior Angle of the left scapula and passed medially to the brachial artery and the median nerve.
一名外科医生将信号发生器植入在左腋窝的皮肤下，其与植入在胸骨左边的富有弹性的杆相连接。
A surgeon implants the pulse generator under the skin below the left armpit and connects it to a flexible rod placed under the skin just to the left of the breastbone.
句子的意思…一只向前，在第三个拐弯处左拐，银行在你的左边。 …
句子的意思…一只向前，在第三个拐弯处左拐，银行在你的左边。 …
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