组成地球上蛋白质的那20个（氨基酸）都是左旋氨基酸。
The twenty that make up the proteins on Earth are all left-handed.
几乎无法想象左旋本身会给左旋者带来任何不利之处。 然而，左旋与右旋蜗牛彼此间实际上并不呈真正的镜像对称....。。
But left- and right-handed snails are not actually true mirror images of one another…
左旋肉碱是一种促使脂肪转化为能量的类氨基酸。
L-carnitine is a fat into energy to the class of amino acids.
目的：详细了解左旋咪唑作为免疫调节药的临床使用情况。
Objective: To understand the use of levamisole as immunoregulation in clinic.
我公司专业从事于左旋肉碱系列品种的开发和生产。
My company professional engaged in the L-carnitine series development and production of varieties.
并且左旋多巴能对一些人产生坏的影响。
目的：研究国产左旋布比卡因对蛛网膜下腔阻滞的效果。
Objective: To investigate the effect of levobupivacaine for spinal subarachnoid block.
治疗帕金森氏综合症最常用的药物是左旋多巴。
The most commonly used drug to treat the disease is levodopa.
对左旋氧氟沙星和复方新诺明的耐药率最低，分别为26%和31%。
The lower resistance rate were 26% and 31% on levofloxacin and cotrimoxazole.
对左旋氧氟沙星和复方新诺明的耐药率最低，分别为26%和31%。
The lower resistance rate were 26% and 31% on levofloxacin and cotrimoxazole.
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