Denebium
铥的别名(1916年 Eder 分离得的假想元素, 中文不必另定名称)
🗣️ 情景例句
First, we have to catch some fish.
首先 ,我们得钓几条鱼。
It is better to wear out than to rust out.
与其锈掉,不如用坏。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上,当车突然开动时,他为什么会倾倒呢?
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