The whales then depart, flippers touching, and swim slowly side by side, diving and surfacing in perfect unison until they disappear from sight.是什么意思_The whales then depart, flippers touching, and swim slowly side by side, diving and surfacing in perfect unison until they disappear from sight.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句