他深吸一口气稳定情绪后继续演讲。

He took a deep breath to ___steady his nerves before continuing the speech.

她喝了杯茶让自己冷静下来。

She drank a cup of tea to ___steady herself.

他的手很稳，稳稳地握住杯子。

His hand ___steadies as he firmly holds the cup.