Alcoa
abbr. 美国铝公司（Aluminum Company of America）
🗣️ 情景例句
I am a representative of Politics Association.
我是政治协会的代表。
Kill two birds with one stone.
一石双鸟；一箭双雕。
Light the fire not so near the entrance that the wind will blow the fire out, and not so far in that the smoke will fill the cave, said my brother.
“不要太靠近洞口点火，风会把火吹灭的；也不要太靠里面，那样烟会充满山洞的，”我弟弟说，