Heptaphyllite
七叶云母(浅云母)
🗣️ 情景例句
At any rate, we must go there.
不管怎么样，我们非去那里一趟不可。
I can't say for certain off-hand.
我还不能马上说定。
He made only six films between 1940 and 1966 and only the first of these is still popular today.
1940年至1966年，他仅制作了6部电影，其中只有第一部至今仍然受到欢迎。