Xanthin
n. 叶黄素\\n[医] 植物黄质
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
What has the captain ordered us to do?
船长命令我们做那些事？
Is it in the box?
在这个箱子里吧？