你知道英语单词的构词法吗？
如果你稍微了解一点英语构词法的话，这就不难理解了。
If you know a little bit about words it's not difficult to figure out.
英文的过去式构词并非一成不变，但是孩子能自己发现基本的构词法。
English doesn't always follow that pattern, but the child has discovered a pattern.
英文的过去式构词并非一成不变，但是孩子能自己发现基本的构词法。
English doesn't always follow that pattern, but the child has discovered a pattern.
应用推荐