Electronic efficiency
[电] 电子流效率
🧩 词语组成解析
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
If you don't aim high you will never hit high.
不立大志，难攀高峰。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。