Ostiary
n. 看门人\\n[医] 口的
🗣️ 情景例句
Are the beaches safe for swimming?
在这儿的海滩游泳安全吗？
Seriously, thank you all for coming and taking part in our camp.
说真的，谢谢你们来加入我们的野营。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。