Indifferent stimulus
[医] 无关刺激物
🧩 词语组成解析
🗣️ 情景例句
You did a good job.
你做得真棒！
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？