Regioselective
[机] 特定选择的
🗣️ 情景例句
Please have the porter bring my bags up.
请让搬运工把我的箱子搬到楼上去。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，