Thiylation
引入含硫基
🗣️ 情景例句
I like him. He's good for Susan.
我喜欢他。他很适合Susan。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
Every day you can have one apple, one orange, one piece of dry bread, and a glass of water.
你每天可以吃一个苹果，一个桔子，一块面包，还有一杯水。