Tetrapoda
四足动物总纲
🗣️ 情景例句
Of course not, Richard.
当然不会有 Richard。
A fox may grow grey, but never good.
狐狸会变，但本性难移。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；