1.In this article, we expatiate the research proceeding on expansin all-roundly.

1.就此最新研究进展，作一综合阐述。

2.However, so far, studies related to the creasing fruits and expression characteristics of expansin during growth have not been documented.

2.然而，柑橘成中现果是否与expansin基因表达特性有关，目前尚未见报道。