Leucopterin
[化] 隐色蝶呤; 无色蝶呤\\n[医] 白蝶呤
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
Whose pen is this?
这是谁的笔？
As he had never been there before, he found a great deal to interest him.
由于他从未去过那儿，结果他发现许多有趣的东西。