He does his best to put on a turn of speed. 他尽全力加快速度

37. So what should any red-blooded sloth do?
    那么一只气血方刚的树懒会怎么做呢
38. Swim, of course.
    当然是游过去
39. Could this be her?
    那会是她吗
40. He does his best to put on a turn of speed.
    他尽全力加快速度
41. But she's not the one.
    但叫的不是她
42. She already has a baby
    这只母树懒已经有了一只幼崽
43. and she won't mate again until it leaves her in about six months' time.
    在幼崽六个月后长大离开之前 她不会再次交配

来自《行星地球 第二季 第一集 Planet Earth S02E01 岛屿》第 40 行