Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
You're on the day shift now.
你现在上白班。
Different articles require different forms of packing.
不同商品需要不同的包装。
but it does mean that noise is less dangerous than, say,
但它确实说明，噪音的危险性--比如说--