Preconcentration
n. 预选；预浓缩；预先富集
🗣️ 情景例句
Can you take us to...?
你能带我们去……
What is the way to the drugstore?
哪一个方向是去药房的？
Glancing at his map, he informed us that the next village was a mere twenty miles away.
他瞥了一眼地图，告诉我们前面再走不到20英里就是一个村庄。