Preinstallation
安装前试验
🗣️ 情景例句
Oh, I'm glad that's over.
噢 我真高兴终于结束了。
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
How long has Jim been at his school?
吉姆到校有多长时间了？