Adbs
[计] 先进数据库系统
🗣️ 情景例句
My mom's decorating it right now.
我妈妈正在淋奶油。
I have so much to do after I retire.
我在退休后有许多事要做。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，