A kangaroo cannot jump if its tail is lifted off the ground. It needs its tail for pushing off.
A kangaroo cannot jump if its tail is lifted off the ground. It needs its tail for pushing off.
如果袋鼠的尾巴离开地面，袋鼠就跳不起来。它要靠尾巴推动才能离开地面。
A kangaroo cannot jump if its tail is lifted off the ground. It needs its tail for pushing off.
如果袋鼠的尾巴离开地面，袋鼠就跳不起来。它要靠尾巴推动才能离开地面。