Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
I'm not so young anymore.
我不再那么年轻了。
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
ourselves and the barbarian, ourselves and the pagan, held sway over people's minds.
我们同异教徒之间存在的区别在人的思想中占主导地位，