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
January the thirtieth and you're invited.
1月30日，希望你能出席。
Be swift to hear, slow to speak.
多听少说。
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。