marcasite
n[C, U]
(piece of a) type of crystallized mineral, used as jewellery 白铁矿, 白铁矿石(用作饰物)
[attrib 作定语]
a marcasite ring, ie a ring with a marcasite set into it 白铁矿石戒指.
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
Old vessels must leak.
旧船必漏。
OK, said Jim. We can have some for our picnic lunch.