Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
Why, that's wonderful!
哎呀， 这太美好了！
You can ease up.
你就放心好了。
But I can't find it. I think I've lost it.
但我现在找不到了。我想我弄丢了。”