Phytosphingosine
植物鞘氨醇, 4-羟双氢(神经)鞘氨醇
🗣️ 情景例句
I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱，所以你要好好干。
I made reservations yesterday.
我昨天预订的。
But often we play games, and I get home at 5:00. We have supper at about 6:00.
但是我们经常玩游戏，所以是五点到家。我们六点吃晚饭。