1. seal:密封:Seal | 密闭:Seal | 官印:official seal
2. closeness:closemapping 详测 | closeness 密闭 | closenipple 全螺纹短节
3. seal v. 1:princess n. 公主,王妃,亲王夫人 | seal v. 1.密闭,闭紧,钉住 2.封,密封 | on purpose 故意,特意
4. 密闭的解释
4. obturateobturation:obtundent 使迟钝的 | obturateobturation 密闭 | obturatesealing 封闭