Sea-floor
海床, 底床
?? 詞語組成解析
sea
[si]
n. 海;海洋;許多;大量;
floor
[fl?r]
n. 地面，地板;樓層;底部;議員席;
vt. 鋪地板;擊敗，打倒;
??? 情景例句
Oh, wait a minute. What's today's date?
噢， 等一等 ，今天幾號？
Look who's talking!
怎么不說你自己？
The house was dirty. They hadn't cleaned it for weeks.
房子很臟，他們好幾個星期沒打掃了。