Snowy owls use their white feathers to reflect sunlight, warning rivals of their presence, according to researchers at the University of Saskatchewan in Canada and the Museum of Natural Sciences in Spain.
如果我們說某人 stands tall 很神氣地站在那兒，意思就是說此人滿懷自信、自豪。
Our athletes stand tall after winning many gold medals at this year's Olympics.
The critics thought the movie was awful, but its director stands tall as he heads for tonight's Oscars ceremony.
短語 a tall order 的意思是難以完成的任務、苛求。
My teacher wants me to write three essays for next week. That's a tall order!