Activity variable
[经] 效率变量, 活动变量
🧩 词语组成解析
🗣️ 情景例句
He says it always brought him good luck on the baseball team.
他说 ，当年他在棒球队时这手套总是带给他好运。
Do you live on Queen St?
你在皇后大道居住吗？
they must be sedulously tended, if the vivifying fruits are to be at hand when needed.
要想在需要的时候可随手摘取充满生机的果实，还需要勤勉地护理。