The leaves are beginning to fall, and soon only two things will be hanging from the trees: the last leaf and the first football coach.
叶子们开始飘落，不久就只会有两个东西还悬在树上：最后一片叶子和第一个足球教练。
2
"His mustache looks like a different color," like when you have a leaf with two different colors on it.
他的大胡子看上去像另外一种颜色，就在一片叶子有两种颜色。
3
The artificial leaf — a silicon solar cell with different catalytic materials bonded onto its two sides — needs no external wires or control circuits to operate.