Flexixanthin
屈曲黄素
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
I said, Do you need any help?
我是说:你需要帮忙吗？"
The apparatus thus described, however,
然而，这里所说的仪器