but the sea lions also like to go down and blow bubbles, 但海狮也会潜下去呼出泡泡
Two miles down, you finally reach the ocean floor. 再往下三公里 终于抵达了洋底
200m down, you enter the twilight zone... 200米深处 是一片黄昏世界
and he too is very anxious to get down to the sea. 迫不及待地奔向大海
You'll dig down to check to see success, 你挖开沙子检查