I like looking up new words in the dictionary.中为什么look要用ing行

I always look up new words in a dictionary 英语语法：Looking up all the new words in the dictionary took him Look up new words in a dictionary啥意思? look up in the dictionary for new words这种说法对吗? of you has a dictionary,so you can look up the new words in All the new words ___ up in the dictionary yet. ——how to read the new words, I often look them up in the dic You can look up the words the words in dictionary改为被动时态 Everyone u____a dictionary to look up new words in English l look up in the dictionary Is this the very dictionary one uses to look up new words no We use the dictionary to look up new words 同义句转换