Alkanethiols
烷硫醇
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
Lovers live by love,as larks live by leeks.
情侣靠爱情生活，正象云雀靠韭葱生活一样。
During a holiday in Sweden, I found this note on my car: 'sir, we welcome you to our city.
“先生，欢迎您光临我们的城市。