dropback

常见例句

Learning is like rowing upstream; not to advance is to dropback.
學習如逆水行舟，不進則退。
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.
鮭魚已經産卵或消耗完的大西洋鮭或其他鮭魚提高直到進入鹹水的時候。在卑詩省也被稱爲背部流下或下遊河川。
ing upstream; not to advance is to dropback.
學習如逆水行舟，不進則退。
..come against the dropback of ...
選項：come against the backdrop of .
19 Learning is like rowing upstream; not to advance is to dropback.
學習如逆水行舟，不進則退。