Pb
[计] 10的15次方字节\\n[医] 铅(82号元素)
✅ 同义词
🗣️ 情景例句
and I'm giving some thought to a new book on a different subject.
如今我又开始在构想另一本不同题材的新书。
I am ready to sign the agreement.
我已经准备好了签合同。
Oh, it's too hard. I can't count them.
噢，太难数了。我数不了。