xǔ / duō / pá / xíng / dòng / wù / yě / huì / yòng / pò / ké / chǐ / bāng / zhù / zì / jǐ / fū / huà

许多爬行动物也会用破壳齿帮助自己孵化。

Many reptiles also use an egg tooth to help themselves hatch.