Concn
abbr. concentration 集中; 集合; 专心; 浓缩
🗣️ 情景例句
I got a bum deal.
我被骗了。
Switzerland is famous for its milk and cheese.
瑞士的牛奶和奶酪是非常出名的。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。