"Put your hand down" is a common way to say this in Engpsh. You could also say "Lower your hand" or "Take your hand down."
你可以用 "I enjoy participating in activities." 来表05-30
"Put your hand down" is a common way to say this in05-30
刘涛在钓鱼可以用英文表达为 "Liu Tao is fishing." 这05-30
分享东西英文表达为 "share something"。这是一个比较常05-30
在英文中，可以用 "inexperienced shopper" 或 "inexperien05-30
"Multiple" 是一个形容词，意思是 "多种的"。 来源： "Mult05-30
英语诗歌鉴赏可以用 "appreciating Engpsh poetry" 来表05-30
过热循环（overheating cycle）是指在热力循环过程中，热交换器05-30