Precursory
a. 先驱的, 前兆的
✅ 同义词
🗣️ 情景例句
Great Thanksgiving.
美好的感恩节。
To solve the problem
解决问题
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有时还下雪。