🧩 词语组成解析
phonograph
['fonəɡræf]
n. <美>留声机;
phon =sound,表示”声音”#词根助记：phono+graph写→写下声音→留声机##graph,gram =write,表示”写,图”#词根助记：phono声音+graph写
🗣️ 情景例句
I'll wait outside.
我到外面等。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
What about when we leave?
我们离开实验室又该做些什么呢？