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.
这个的作用是 水滴在这些突起物上形成时 水分会紧密而且呈现水珠状 所以这比在甲壳虫的整个甲壳上 有一薄薄一层水要更具流动性