Superparamagetism
超順磁性
??? 情景例句
Subway transportation is very advanced in Longdon.
倫敦地地鐵非常先進。
How long will it take you to repair it?
你要多久才能修好它？
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人們很難決定是否應該將這種運載工具列為輪船、