Prolog
n. 序言, 序幕, 开场白, 序诗, (喻)开端
✅ 同义词
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
East or west,home is best.
东也好，西也好，还是家中最好；金窝银窝，不如家里的草窝。
Let me see. It's about four thirty.
我看看，大约四点半了。