coin

I found a rare silver coin while digging in the backyard garden.

(Chinese) 我在后花园挖掘时发现了一枚罕见的银币。

He put a gold coin into the vending machine to buy a soda.

(Chinese) 他往自动售货机里投了一枚硬币买了一瓶苏打水。

The term 'robot' was first coined by a Czech writer in a play in 1920.

(Chinese) “机器人”一词最早是由一位捷克作家在1920年的剧本中创造的。

Young people often coin new slang words that their parents don't understand.

(Chinese) 年轻人经常创造一些父母听不懂的新俚语。