Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
No problem.
没问题。
She was promoted on the basis of her accomplishment.
她是依其成就得到晋升的。
There is so much variety that you never have to make do with second best.
物品种繁多，从来不必用二等品来凑合。