第二次试验时，我把碗和冰块再次冻好，但在傍晚气温开始下降的时候把它们放在蛇穴的上方。

For the second attempt I froze the bowl and ice-cubes again but placed them over the snakes habitat in the evening as the temperature was staring to cool.

youdao

第二次试验时，我把碗和冰块再次冻好，但在傍晚气温开始下降的时候把它们放在蛇穴的上方。

For the second attempt I froze the bowl and ice-cubes again but placed them over the snakes habitat in the evening as the temperature was staring to cool.

youdao