Preconcentration
n. 预选；预浓缩；预先富集
🗣️ 情景例句
OK. Considering this point and the large quantity you ordered,
好吧。考虑到这个原因以及你们订货数量大，
He is speaking on another phone.
他正在接听别的电话。
but it's too small for me.
可是对我来说太小了。