Ugandite
铋钽矿
🗣️ 情景例句
Most boys like baseball, but he is an exception.
大多数的男孩喜欢棒球，但他是个例外。
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
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。