工人们正在用链锯砍伐那些松树。

The workers are ___felling those pine trees with chainsaws.

足球运动员一个滑铲把对方球员放倒在地。

The soccer player made a sliding tackle, ___felling the opposing player to the ground.

这个悲伤的故事深深触动了每个听众的心。

The sad story deeply ___filled every listener with emotion.