Usages of chūntiān
春天 的 时候， 这个 城市 不 是 下雨， 就 是 刮风， 所以 我 常常 带 伞 出门。chūntiān de shíhou, zhège chéngshì bú shì xiàyǔ, jiù shì guāfēng, suǒyǐ wǒ chángcháng dài sǎn chūmén.
In spring, this city is either rainy or windy, so I often bring an umbrella when I go out.
秋天 比 春天 凉快 一点儿， 可是 有时候 也 会 突然 刮风。qiūtiān bǐ chūntiān liángkuai yìdiǎnr, kěshì yǒushíhou yě huì tūrán guāfēng.
Autumn is a little cooler than spring, but sometimes it suddenly gets windy too.
Elon.io is an online learning platform
We have an entire course teaching Chinese grammar and vocabulary.