Cheaper
小学 Primarya. 成本更低, 比较便宜的
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
To enter outer space
飞出大气层，进入外太空
That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.
这下我可完了，因为不一会儿，我就恢复了以前的坏习惯，在屏幕前打起瞌睡来。