Pb
[计] 10的15次方字节\\n[医] 铅(82号元素)
✅ 同义词
🗣️ 情景例句
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；