常見例句雙語例句Simultaneously our propaedeutic study work in cucurbituril chemistry is also shown here.同時,也展現了我們在瓜環(huán)化學方面進行的初步的研究。The theoretical sciences are of two kinds: one kind is reckoned for the most part as propaedeutic and it consists of the mathematical sciences;理論科學有兩種:一種大部分被認為是入門科學的,包括數學科學; 返回 propaedeutic