Alternation theory
[医] 更替学说, 格子学说(抗原抗体反应)
🧩 词语组成解析
alternation
[ˌɔ:ltə:'neiʃən]
n. 交替，轮流，间隔;交替工作;更迭;变换;
🗣️ 情景例句
Aren't you excited about that?
你不感到兴奋吗？
The Senator acceded to his defeat before the end of the election.
那位参议员在选举结束以前就承认落选了。
so she ran straight at them.
于是她直冲过去。