### Chinese: 每年的3至6月，是油橄榄树开花坐果的时间，7至10月果实开始发育并且成熟，果实从绿色过渡到红色，紫色，最后变黑。
### English: Each year from March to June, olive trees bloom and bear fruit. From July to October, <v>the fruit</v> begins to develop and mature, and the fruit transitions from green to red, purple, and finally black.
### Errors: There is a minor accuracy/mistranslation error at "the fruit" within <v></v>.

### Improved English: March to June each year is the time for olive trees to blossom and bear fruit, and from July to October, the fruit begins to develop and ripen, and the color of fruit will transition from green to red, purple and finally black.
