🧩 词语组成解析
ocean
['oʃən]
n. 洋;海洋;大海;（地球上划分出的）洋;
🗣️ 情景例句
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
The used key is always bright.
常用的钥匙总是光亮的。
Please say hello to your mother for me.
请代我向你母亲问好。