Macrostomida
大口目
🗣️ 情景例句
This is Nat Baker,
这是Nat Baker
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
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。