upbeat
n
(music 音) unaccented beat, esp at the end of a bar, shown by the conductor's baton moving upwards 上拍; 弱拍. Cf 参看 downbeat. upbeat, adj (fig 比喻) optimistic or cheerful 乐观的; 快乐的.
🗣️ 情景例句
Don't move! Get down on the floor.
别动!趴到地上!
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
but ever since he moved in, he has had trouble with cars and their owners.