puff-ball

基本解釋

The rare comet remains visible to the unaided eyes of northern observers as an unusual small puff ball in the constellation of Perseus.
對于北半球的觀測者來說，很少會有彗星像一顆不尋常的蓬松小球一樣出現(xiàn)在英仙座內(nèi)，并且長時間肉眼可見。
I could identify ink caps, puff balls and field mushrooms and knew where to find wild watercress and sorrel.
我會辨認一些野山菌和蘑菇，我也知道在哪可以找到野西洋菜和菠菜。
The old man manage to puff out a few words.
那老人好容易喘著氣說出幾句話。
The stove let out a puff of smoke.
爐子里冒出一股煙。
The stairs made him puff like a grampus.
爬樓梯爬得他氣喘如牛。