Parallaxometer
视差计
🗣️ 情景例句
But most of all,
但最重要的
Youth looks forward and age backward.
青年人向前看，老年人向后看。
Before long, the noise dropped completely and the boat began to drift gently across the water.
没过多久，噪音便彻底消失，快艇开始在水面上慢悠悠地漂流。