Scientists have long suspected that the lack of larval weight prevented the little ones from gaining enough momentum in the burst phase 长时间以来，科学家一直猜测，可能是由于体重太轻让这些小鱼仔在“突破”的阶段难以获得足够的动力。
3.
Many species do n ' t have this skill at birth . scientists have long suspected that the lack of larval weight prevented the little ones from gaining enough momentum in the burst phase 长时间以来，科学家一直猜测，可能是由于体重太轻让这些小鱼仔在“突破”的阶段难以获得足够的动力。
