不知怎么了 菱形和等腰直角三角形 似乎没那么重要了 Somehow,rhomboids and isosceles right triangles...didn't seem so important. 我骑车去上学 这样就不用看见那个树桩 I rode my bike so I wouldn't have to pass by the stump... 那曾经是地球上最壮美的梧桐树 That used to be the earth's most magnificent sycamore tree.