Tephra
[复]n.[用作单或复][地]火山灰
🗣️ 情景例句
Sign here, where I've indicated.
签在这里，在我指的地方。
To forgive our enemies is a charming way of revenge.
饶恕敌人是一种巧妙的报复方法。
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。