D-sphinganine
[化] 二氢鞘氨醇
🗣️ 情景例句
Well, thank you.
好，谢谢。
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!
在钟塔上干活的一位油漆工把一只油漆桶挂在了一根指针上，把钟弄慢了！