grammatical
adj
of, about or in accordance with the rules of grammar 语法的; 符合语法规则的
a grammatical treatise 语法论文
a grammatical error 语法错误
That sentence is not grammatical. 那个句子语法不通.
No, not very. You need a driving permit. Have you got one?
不,不很贵。你需要一个驾驶执照。你有没有?
New Zealand is an impotant agricultural country with a small population. In size it is bigger than Guangdong Province, yet has a much smaller population.
新西兰是一个人口很少的重要的农业国。新西兰的面积比广东省大,但人口却少得多。
It looks a bit like a deer. There's its head and there are its feet.