vacuum造句
The Marshal stepped over the
vacuum-cleaner and stumped out of the room.
元帅迈过真空吸尘器，脚步沉重地走出了房间。
Vacuum-packed ham slices should be unwrapped 30 minutes before serving.
真空包装的火腿片应在食用前30分钟把包装除去。
He could hear the whirr of a
vacuum cleaner.
他能听到真空吸尘器的嗡嗡声。