Lamellar
a. 片狀的, 層狀的\\n[醫] 板的, 層的
??? 情景例句
Is this all Grandpa's stuff?
這里面都是爺爺的東西嗎？
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋轉擺動，但不要上下擺動。