Black mercury sulfide
[醫] 黑硫化汞
?? 詞語組成解析
black
[bl?k]
adj. 黑（色）的;黑色人種的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑顏料;黑暗;
v. 使變黑;抵制;拒絕;使變黑暗;
Mercury
['m?kj?ri]
n. [化]汞，水銀;[天]水星;溫度表;精神，元氣;
n. 硫化物\\n[化] 硫化物
??? 情景例句
Is this my meal?
這是我的菜嗎？
I often go to bad at night.
我常常在晚上睡覺。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤積的海洋和江河里，有時在湖泊里，