Vdd
[计] 版本说明文档
🗣️ 情景例句
About 7. I'm grilling burgers.
7点。我要炭烤汉堡。
There is no royal road to learning.
治学无坦途。
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，