Metalsmith
n. 金工技工,金屬加工技工
??? 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡須， 他五十年來沒有變。
Small gains bring great wealth.
小益聚大財，薄利成巨富。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都會消耗完其能量（整個宇宙是否如此，目前尚有爭論）。