# 前提是必须安装： python -m spacy download en nlp = spacy.load('en') text = u"you are best. it is lemmatize test for spacy. I love these books. amines (when protonated)" doc = nlp(text) # 观察分词 token = [t for t in doc] # 分词我们就用这个orth_  可以识别标点符号 token2 = [token.orth_ for token in doc] # 观察词干化 lemma = [l.lemma_ for l in doc] # 词性标注 pos = [p.pos_ for p in doc]