adj. westbound
它的行进方向十分奇怪，之前的研究表明，大多数的远距离迁徙都是自东向西进行的，而编号#1363的这头母鲸却是从西向东迁徙的。
The direction of her travel was odd as well. Previous studies have suggested most long migrations went from east to west. #1363 went from west to east.
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