易混淆的单词： Intervals

At intervals the sky would empty ; the planes disappeared .

轰炸间隔时，天空上的飞机暂时消失了。

Intervals between the trains are long .

列车班次之间的间隔很长。

The images collected by this camera showed the virus progressing through a single mouse at frequent intervals .

这种相机捕捉到的图像显示病毒以极快的时间间隔来感染一只老鼠。

A one-hour session includes facial and temple massages and the blissful application of hot towels at regular intervals .

一个小时的护理包括面部和太阳穴按摩以及以固定的间隔热毛巾敷脸护理。

Short recovery intervals keep the intensity of the workout elevated , teaching you to run through fatigue .

短时间的休息间隔可以保持并提高训练的强度，并能更好地对抗疲劳。