Lignocerylsphing osine
[机] 廿四酰神经氨醇
🗣️ 情景例句
Good. Very good. Family Album, U.S.A.
不错， 很不错。 美国写真集 。
Please do not move.
请不要动。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。