Ocean trench
海沟
🧩 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
How long has he held office?
他已任职多长时间了？
Good wine needs no bush.
酒好客自来。
I feel like taking a walk.
我想睡。