他的手指指向一个重要的细节。

His finger ___indicates an important detail.

温度计上的红线指示当前室温。

The red line on the thermometer ___indicates the current room temperature.

他的频繁看表表明他急着要离开。

His frequent glances at the watch ___indicate he's in a hurry to leave.

他的症状表明需要立即就医。

His symptoms ___indicate a need for immediate medical attention.