Shuǐlù liǎngqīdòngwù de pífū bìxū bǎochí shīrùn cáinéng hūxī.
An amphibian's skin must stay moist for it to breathe.
Tips
usage
The fuller, descriptive form of 两栖动物 (amphibian). Textbooks use both, but 两栖动物 alone is more common in scientific writing; 水陆两栖动物 is preferred for general-audience explanations.
