火箭引擎产生足够的推力来逃离地球引力。

The rocket engines produce enough ___thrust to escape Earth’s gravity.

她突然把钥匙塞进我手里，然后转身离开了。

She suddenly ___thrust the keys into my hand and turned away.

他用力一推，让小船迅速离开了岸边。

With a strong ___thrust, he pushed the boat away from the shore quickly.

他演讲的核心观点是环境保护的紧迫性。

The main ___thrust of his presentation was the urgency of environmental protection.