Magnuminium
鎂基合金(比重1.8)
??? 情景例句
I'm in the school choir.
我是校合唱隊的成員。
You're carring that joke too far.
你那個玩笑開得太過分了。
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）。