Eaca
[化] 6-氨基己酸
??? 情景例句
Did you watch the football game between Manchester United and Arsenal last night?
昨晚你看了曼聯(lián)對(duì)阿森納的足球比賽嗎？
How much is a call to the United states?
打一個(gè)電話到美國(guó)去需要多少錢？
I can't do that, Mr Tiger, said the monkey.
“我不能這么做呀，老虎先生，”猴子說(shuō)