Reference circuit
[计] 参考电路
🧩 词语组成解析
🗣️ 情景例句
And then, two years ago, my wife died.
接着， 两年前我妻子去世了。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。