Vcs
abbr. 集群服务器（Virus Capture Scripter）；真空控制开关（Vacuum Controlled Switch）
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
Easy come, easy go.
来的容易，去的快。
The question was, which one?
问题是，哪一种气体导致火灾呢？