Gentopsida
苞果纲
🗣️ 情景例句
What beautiful timing.
时间正合适。
Youth looks forward and age backward.
青年人向前看，老年人向后看。
He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack.
海龟刚恢复平衡，第二只海豚又冲过来猛击一下。