Concentr
abbr. concentrate 集中（的）, 浓缩（的）
🗣️ 情景例句
What's the matter, Susan?
怎么了， Susan？
Young man may die but old men must die.
年轻人可能会死，老年人难免不亡。
We'll pay up as soon as we can.
我们会尽快付清的。