frog length

例句：

1. 1.The frog's length is measured in centimeters.
   青蛙的长度是以厘米为单位测量的。
2. 2. The frog's body length is 30 cm.
   青蛙的身体长度是30厘米。
3. 3. The frog's length is the same as its body length.
   青蛙的长度和身体长度相同。