During this single day, they molt twice, mate, and lay eggs in water.
During this single day, they molt twice, mate, and lay eggs in water.
在这一天中它要蜕两次皮，交配，在水中产卵。
During this single day, they molt twice, mate, and lay eggs in water.
在这一天中它要蜕两次皮，交配，在水中产卵。