🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 甲基\\n[化] 甲基
n. [生化]多巴,二羟基苯丙氨酸(亦作DOPA)
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
Very interesting.
很有意思。