🧩 词语组成解析
二对的
leaf
[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
Don't forget to put stamps on the letter.
不要忘记在信封上贴邮票。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。