Waif
n. 无家可归者, 无主物, 飘流物, 流浪者, 信号旗
✅ 同义词
📖 牛津释义
waif
n
1 homeless person, esp an abandoned child 无家可归的人; （尤指）流浪儿
a home for waifs and strays, ie homeless and neglected children 流浪儿童收容所
They looked thin, waif-like and half starved.他们瘦骨伶仃, 像流浪儿似的饿得半死.
2 object or animal with no owner 无主的东西或动物.
🗣️ 情景例句
Yes. It works!
不错。有效！
It's been 5 years since I last saw you.
我已5年没见你了
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。