But a conch has to carry a heavy shell wherever it goes and its size is limited by the shell's size.

然而海螺不管到哪里都要背负着它那沉重的外壳，它的生长也受到外壳的局限。

youdao

But a conch has to carry a heavy shell wherever it goes and its size is limited by the shell's size.

然而海螺不管到哪里都要背负着它那沉重的外壳，它的生长也受到外壳的局限。

youdao