“weak area”簡單造句，weak area造句子

Agriculture: is my weak area industries, agriculture and small population, small land area.

A direct blow to the pterion, or even an indirect blow to another part of the skull, may cause a fracture to this weak area, with an associated rupture of the underlying vessel.

CONCLUSION: Structure weak area of tooth was the internal cause of cracked-teeth occurrence, and traumatic occlusal force was the external factor tha.