例句 /

Convertype and piletype dots were fairly perfected in texture but whose phellem cells were loosely and irregularly orgnized.

Convertype and piletype dots were fairly perfected in texture but whose phellem cells were loosely and irregularly orgnized.

覆盖型和堆积型果点结构较完善,但细胞排列松散不规则,属较进化类型;