Ocean-floor
洋底
🧩 词语组成解析
ocean
['oʃən]
n. 洋;海洋;大海;（地球上划分出的）洋;
floor
[flɔr]
n. 地面，地板;楼层;底部;议员席;
vt. 铺地板;击败，打倒;
🗣️ 情景例句
Is something bothering you?
有什么事烦你吗？
Open your books and turn to page 20.
打开书，翻到第20页。
The first settlers on the plains of America were Native Americans.
美洲平原上的首批定居者是美洲土著人。