seal基本解释
n,[机]密封；印章；[皮革][脊椎]海豹；封条；标志,同近
Check seals on fridges and freezers regularly..定期检查冰箱和冰柜的密封装置。
密封；印章；海豹；封条；标志英释nna large sea animal that eats fish and lives around coasts
seal of,证明；保证.短语
