self-seal.ing

self-sealing的音标和读音：
DJ音标发音： [ˈselfˈsi:liŋ]
KK音标发音： [ˈsɛlfˈsilɪŋ]

self-sealing的词性：
adj.（形容词）

1. Capable of sealing itself, as after being pierced:
自动密封的：能够自行密封，如穿孔后：

a self-sealing tire.
能自动闭合的轮胎

2. Sealable without the application of moisture:
自行封口的：不用水分封口的：

a self-sealing envelope.
（不用胶水）封口的信封