Velocity variation
[电] 变速
🧩 词语组成解析
🗣️ 情景例句
You did the best you could.
你已经尽力而为了。
The modern farmer spreads the agricultural chemicals on the fields.
当今的农民
Forty-two years later a tunnel was actually begun.
42年以后，隧道实际已经开始建了。