Undalatory theory
[医] 波动学说
🧩 词语组成解析
[医] 波动的
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Until when?
借到什么时候？
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。