Diotyrosine
放射性碘酪氨酸
??? 情景例句
He doesn't have any beliefs; he just takes one day at a time.
他沒有什么信仰，每天只是得過且過
My sister graduated from high school.Graduation was last night.
我的姐姐從高中畢業了.畢業典禮是昨天晚上。
since ground stations and satellites cannot see everywhere.
因為地面工作站和衛星不可能看到地球上的每一個地方。