Stad
abbr. 学生小组成绩分工法（Student Teams and Achievement Divisions）
🗣️ 情景例句
Then, when shall we sign the contract?
那么，我们什么时候签合同？
Which of your arms is sore?
你哪个手臂酸呀？
There was danger that the wave would rebound off the other side of the bank and send the dish plunging into the water again.
但是当波浪从河对岸折回来时，就有再次把盘子拖进水里的危险。