And the effect of this is that as the droplets start to form on the bumps, they stay in tight, spherical beads, which means they're much more mobile than they would be if it was just a film of water over the whole beetle's shell.
そして効果はというと 突起物の上で水滴は 固い球状の数珠の形となり ただ水が甲冑全体を 濡らした状態よりも転がりやすくなります