Alcoa
abbr. 美国铝公司（Aluminum Company of America）
🗣️ 情景例句
How I envy you.
我真是羡慕你。
I ought to keep cool.
我应该保持冷静。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。