Self-sealing
a. 自动密封的
📖 牛津释义
self-sealing
adj[usu attrib 通常作定语]
(usu of envelopes) that can be sealed by pressure only （通常指信封）压合封口的.
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
[化] 封闭; 封闭处理\\n[医] 封闭, 封口(创伤)
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
Ouch! That hurts.
好痛呦！会受伤哩！
It's four o'clock.
四点了。