Activity vector
[计] 活动向量
🧩 词语组成解析
🗣️ 情景例句
He jumped at the offer.
他欣然接受了这个工作机会。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Come on! shouted everyone, very loudly.
“快！快呀！”每一个人都大声地喊。