“左旋”造句

诀曰: 左旋 右旋天地旋, 左踏右空平地旋.
Tactics Ld : L - d - world spin, left the ground empty spin right step.

DNA结构向左旋的微生物是否存在尚不得知.
A microbe that uses left - handed DNA could exist unrecognised.

像其他许多分子一样, 氟比洛芬酯具有左旋和右旋两种形式.
Like many other molecules, flurbiprofen has a left - handed and a right - handed form.

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