Caritinoid
(=Carotenoid)胡萝卜素
🗣️ 情景例句
Thanks so much.
非常感谢。
A little pot is soon hot.
壶小水易热。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。