🧩 词语组成解析
n. 退敏感作用
🗣️ 情景例句
Spring is at hand.
春天即将来临。
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。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触