Dihydrosphingosine
二氢(神经)鞘氨醇
🗣️ 情景例句
Sounds of the country.
乡村音响。
Do you often do composition after school?
你常常在放学后做作文吗？
As if this were not enough to reduce you to tears, your husband arrives, unexpectedly bringing three guests to dinner.
好像这一切还不足以使你急得掉泪，你的丈夫接着回来了，事先没打招呼就带来3个客人吃饭。