Selection option
[经] 选择权
🧩 词语组成解析
🗣️ 情景例句
And am I glad to see you!
我看见你才高兴呢！
Sure. We are friends since primary school.
当然，我们从小学就是朋友了。
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。