Heteroxanthin
黄藻黄素
🗣️ 情景例句
Front Desk. Can I help you?
前台，需要我为您服务吗？
Make yourself necessary to someone.
使你有益于人。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在，在有人来之前，你必须要呆着不动。