Holothurin
海参素
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
Do you think it's going to rain tomorrow?
你认为明天将下雨吗？
As soon as he had hung up, he went over to the workmen and told them that if a policeman ordered them to go away, they were not take him seriously.
挂上电话后，他又马上来到工人那儿，告诉他们若有个警察来让他们走开，不要把他当回事，