1. Suspended on their stilts, the actors remove their masks and reveal their off-white faces, staring terrified at a sunless sky, dark clouds congregating. 演员们被吊在高跷上，他们摘下面具，露出他们苍白的脸，惊恐地盯着没有阳光，乌云聚集在一起的天空。
2. The crowds are congregating in the square. 大群人聚集在广场上。
3. The spatial distribution patterns of larvae and pupae are congregating distribution. 幼虫和蛹的空间分布均为聚集分布。
4. The sky was gray with the gloomy clouds congregating gradually along the far eastern horizon. 天空是灰色的，在遥远的东方地平线上有阴云在慢慢汇聚。
5. The sky was gray with the gloomy clouds congregating gradually along the far eastern horizon. 天空是灰色的阴云在逐渐在遥远的东方地平线上。
