Fluorophenylalanine
氟苯丙氨酸
🗣️ 情景例句
Are you making progress?
你有进展吗？
When are visiting hours over?
探病的时间到几点为止呢？
I'm tired, said my younger brother as he climbed up to join me.
“我累了，”我弟弟边说边爬上岩石和我汇合。