n.天(空);
vt.将…击向空中;将…高挂;
例句:
He can't help thinking it's all just "pie in the sky" talk.
他禁不住想所有这些不过是“画饼充饥”的空话而已。
There was a low humming sound in the sky.
空中传来一阵低沉的嗡嗡声。
The night sky was lit up by flashes of light.
一道道灯光照亮了夜空。