The Man Angel was lighter-than-air and had paddles like a rowboat that the aviator could pump.
“人类天使”比空气还轻，有像划艇一样的桨，飞行员可以摇动它们。
2
Those turn out to be a canopied complex of grassy backyards, complete with porches, children, swings, a garden, and a water pump operated by-no joke-a man on a StairMaster.