Regioselective
[机] 特定选择的
🗣️ 情景例句
Like me. I'm Malcolm Stewart.
像我一样。我叫Malcolm Stewart。
It's nothing. Don't mention it.
区区小事，何足挂齿。
At the moment, he's in Madrid.He flew to Spain a week ago.
现在他在马德里。他是一星期以前飞到西班牙的。