S-r
abbr. learning stimulus-response learning 学习刺激—响应学习; send-receive 发射-接收
🗣️ 情景例句
so she'll think of me when she looks at the time.
这样当她看的时候就会想起我。
The secret of success is constancy of purpose.
成功的秘诀是目标坚定。
A game that is very popular with these young swimmers is the underwater tricycle race.
这些幼小的游泳运动员非常喜爱的一种游戏是水下三轮车比赛。