Instead of freshwater moving out of the plant cells, salt from the seawater enters, reverse osmosis, and this actually strengthens the cells.

海水不仅不能抽走植物细胞里的水分，海水中的盐分反而会进入细胞内部，这就是所谓的反渗透。这种反渗透能力增加了细胞的强度。