Validator
n. 验证器
🗣️ 情景例句
You'll receive my invitation soon enough, and I will inform you.
你很快会收到我的请柬，我会通知你的。
I've been here for three weeks, and so far I've enjoyed it.
我已经在这里逗留了三个星期，到现在为止，我过得很好。
What is it?
什么困难。