Xanthommatin
眼黄素
🗣️ 情景例句
2. We should all start exercising.
咱们都该去健身了。
It is easier to raise the devil than to lay him.
养虎易，驯虎难。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，