“前缀”造句

含硫化合物的名称前通常有前缀thio。
Sulphur-containing compounds are often prefixed by the term "thio"

在单词 unimportant 中un是前缀.
In the word " unimportant " , " un - " is a prefix.

用适当的表示否定的前缀填空.
Fill in each blank with a proper negative prefix.

• #前缀