Matildite
硫银铋矿
🗣️ 情景例句
Don't talk so loud, you may be overheard.
别这么大声说话，别人会听见的。
I don't feel up to that.
我觉得不能胜任那工作。
One wonders also why Nature, with some snakes, concocted poison of such extreme potency.
然而，在脊椎动物中，大自然神秘模测地只选择了蛇（还有一种蜥蜴），人们弄不清楚大自然为什么在某些蛇的身上调制出如此高效的毒液来。