Calomel
n. 甘汞\\n[化] 甘汞; 氯化亚汞
🗣️ 情景例句
He took care of my daughter
我女儿曾受他照顾，
Pay somebody back in his own coin.
一报还一报。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。