
好词典

源自中古英语 'seler',与 'seal'(密封或海豹)相关,后缀 '-er' 表示人或工具。
❶ 密封剂或密封工具,用于封闭容器或表面以防止空气、水或其他物质进入或泄漏。
“We need a good sealer to keep the paint from peeling.”
(我们需要一种好的密封剂来防止油漆剥落。)
“The mason applied a sealer to the brick wall to protect it from moisture.”
(泥瓦匠在砖墙上涂了密封剂以防止潮湿。)
❶ 捕猎海豹的人或船只,专门从事捕捉海豹的活动。
“The sealer set out early in the morning to hunt for seals.”
(捕猎海豹的人一大早就出发去猎捕海豹。)
“In the 19th century, sealers were common in the Arctic regions.”
(19世纪时,捕猎海豹的人在北极地区很常见。)
wood sealer — 木材密封剂,用于保护木材免受水分、紫外线或其他环境因素的损害。
“Apply a wood sealer to your new fence to make it last longer.”
(给你的新栅栏涂上木材密封剂以延长其使用寿命。)
vacuum sealer — 真空密封机,用于将食品或其他物品密封在无空气的包装中,以延长保鲜期。
“She used a vacuum sealer to store the leftovers in the freezer.”
(她用真空密封机将剩菜储存在冷冻室中。)