snorkel

1. N-COUNT A snorkel is a tube through which a person swimming just under the surface of the sea can breathe. (潛水者用的) 呼吸琯

2. V-I When someone snorkels, they swim under water using a snorkel. 使用呼吸琯潛泳

Swim off the side of the ship and snorkel in some of the clearest waters imaginable. 遊離小船邊，用呼吸琯潛遊到可以想像得到的一些最清澈的水域。