sealer
sealer1noun- [usu. with modifier]a device or substance used to seal something, especially with a hermetic or an impervious seal
密封装置,密封物,密封胶
- (亦作 sealer jar)(Canadian)a jar with a hermetic seal designed to preserve food such as fruit, pickles, and jams
(加)(装水果、泡菜、果酱的)密封罐
sealer2noun- a ship or person engaged in hunting seals
海豹猎人;海豹捕猎船
考试词汇表