Pb
[计] 10的15次方字节\\n[医] 铅(82号元素)
✅ 同义词
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
What are you writing?
你正在写什么？
We've had to increase our prices on this item by just 8%.
这一种我们不得已也只加了8%而已。