替加环素，是惠氏公司为解决新出现的、危及全球的抗生素耐药性而研制的一种甘酰胺环素类抗生素。
Tigecycline is a glycylcycline antibiotic that was developed by Wyeth in response to the worldwide threat of emerging resistance to antibiotics.
如果旅客持有星空联盟环球程特惠套票，或其他联盟运价产品，例如中国旅行通票、环北亚特惠套票、亚洲旅行通票，应如何处理？
What about customers holding a Round the World fare ticket, or any of the other alliance fare products, e. g. China Airpass, Circle North Asia fare, Aisa Airpass?
在四环高架桥下，你穿过十字路口向左转，沿路走到河流消失在四惠桥下的尽头。
Once under the elevated 4th Ring, you cross and turn left to follow the road round to where a stream vanishes under the Sihui Bridge.
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