dropback

常见例句

Learning is like rowing upstream; not to advance is to dropback.
学习如逆水行舟，不进则退。
A spawned out or spent Salmo salar or other salmonid up until the time it enters salt water. Also called dropback or downriver in British Columbia.
鲑鱼已经产卵或消耗完的大西洋鲑或其他鲑鱼提高直到进入咸水的时候。在卑诗省也被称为背部流下或下游河川。
ing upstream; not to advance is to dropback.
学习如逆水行舟，不进则退。
..come against the dropback of ...
选项：come against the backdrop of .
19 Learning is like rowing upstream; not to advance is to dropback.
学习如逆水行舟，不进则退。