Correct

三秋

/ sān qiū / 
Strokes

Example

As a Noun

three autumn jobs (of harvesting, ploughing and sowing)

1
Zhùjūn
驻军
bùduì
部队
zhīyuán
支援
sānqiū
三秋
  
。

The troops stationed in the area helped the local peasants with their autumn harvesting, ploughing and sowing.

2
Rìyè
日夜
fènzhàn
奋战
qiāng
抢
sānqiū
三秋

work around the clock to harvest, plough and sow

As a Noun

third month of autumn [i.e. the ninth month in the lunar calendar]

As a Noun

three autumn months

As a Noun

three years