工人用填充剂修补了墙上的裂缝。
The workers used ___fillers to patch up the cracks in the wall.
她紧张时总会在句子间加很多'嗯'之类的填充词。
She uses too many ___fillers like 'uh' when she's nervous.
编辑在终稿完成前用了填充物来覆盖空白部分。
The editor used ___fillers to cover the blank sections before the final draft was ready.