1.…, the professor and his nephew come across the Central Sea, a big underground ocean.(P58) 教授和他的侄子发现了地心海——一个浩瀚的地下海洋。
come across sth (FIND) phrasal verb: to find / meet sth./sb. by chance:
The man I came across on board the plane ten years ago is now my best friend.
He came across some of his old love letters in his wife's drawer.
come相关短语
When your friends come over for tea, you should greet them at the door.
The song comes down to us from the 10th century.
The meaning of his speech doesn’t come out well.
I came out first in the examination.
come to
to concern
