calotropagenin
例句
Q comes between P and R in the English alphabet.
英语字母表中，Q在P和R之间。
《牛津词典》
Ah Q had always had the greatest contempt for such people as little nuns.
小尼姑之流是阿q本来视如草芥的。
《新英汉大辞典》
U.S. spy agencies, through In-Q-Tel, have invested in a number of firms to help them better find that information.
美国情报机构通过 In-Q-Tel 已经投资了好几家公司来帮助他们更好地寻找这类情报。
