P-hydroxyphenylalanine
[化] 对羟苯丙氨酸; 酪氨酸
🗣️ 情景例句
I'll go upstairs and stay with him until he falls asleep again.
我上楼去陪他， 直到他又睡着。
Easier said than done.
说时容易做时难。
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.
这些教堂吸引大量游客，不仅是因为建筑风格奇特，而且还有大量保存完好的壁画。