Under the Sea
Unit 3
snorkelaquariumanecdoteannual
vi. 戴潜水通气管潜泳n. (潜水艇或潜水者)通气管n. 水族馆；养鱼缸n. 轶事；奇闻adj. 每年；    按年度计算n. 年刊；年鉴
Today, we’re going to take a look at the world under the sea.So, are you ready?