Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
Thank you for taking care of me here.
多谢您的周到招待。
Oh, I'm very sorry, sir.
噢，我实在抱歉。
Lights were blazing and men were running here and there: they had just discovered that a prisoner had escaped.
他们刚刚发现有一个俘虏跑了。