于是，二马一驴，一行三人，沿着曲曲弯弯的小径向沙坨子深处出发了。
So the three of them, two on horseback, one on a donkey, set out along a twisting path into the dunes.
提出了一种合成芳基氟喹诺酮抗菌剂二氟沙星和替马沙星的新方法。
A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.
提出了一种合成芳基氟喹诺酮抗菌剂二氟沙星和替马沙星的新方法。
A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.
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