受到扰动时，通常会腿部里收、头部缩回、一动不动。

When disturbed they often pull in their legs, tuck their head and lay motionless.

youdao

受到扰动时，通常会腿部里收、头部缩回、一动不动。

When disturbed they often pull in their legs, tuck their head and lay motionless.

youdao