Seagulls like to eat sea creatures that wash up on the beach.
海鸥喜欢吃被冲上沙滩的海洋生物。


The global warming rises the sea level.
温室效应提升了水平面。


The sailor has been out to sea for several months.
水手已经出海几个月了。


I collect seashells, but only when they don't have sea creatures living in them.
我收集海贝，但只收集空的，里面没有海洋生物的那种。

Would you like to go swimming in the sea?

你愿意去海里游泳吗？

※You will never enjoy the world aright, till he sea itself  floweth in your vein, till you are clothed with the heavens, and  crowned  with the stars. Thomas Ttaherne, British poet——直到以苍穹作衣，以星辰作冠，血脉里流淌着海水， 人们才能真正享受世界的美。英国诗人  特拉赫恩.T.
※The sea complains it wants water. 大海总是抱怨水不够。
※A smooth sea never made a skillful mariner. 平静的海洋练不出熟练的水手。
※The sea refuses no river. 大海有能容之量。