Digital signature
[计] 数字签名
🧩 词语组成解析
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
I ate too much candy. I have a toothache.
我吃了太多的糖果。牙齿在痛哩。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。