Cryolith
人造冰晶石
🗣️ 情景例句
but it'll take you ten minutes longer.
但会多花你十分钟的时间。
I go out for lunch at about 12:30.
我在大约12:30去外面吃午餐。
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，