Sinapin
n. [生化]芥子酸胆碱
🗣️ 情景例句
And, Mr. Stewart, what is your occupation?
那么 ，Stewart先生， 你的职业呢？
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
Few things could be more impressive than the peace that descends on deserted city streets at weekends when the thousands that travel to work every day are tucked away in their homes in the country.
周末，当成千上万进城上班的人回到他们的乡间寓所之后，空旷的街市笼罩着一种宁静气氛，没有什么能比此时的宁静更令人难忘了。