sealed-in的用法和樣例：
例句
- If you are a gym bunny, you belong in the circuit scene.
如果你喜歡健身，那就屬於封閉的環境場合。 - It is difficult for any country to develop in isolation.
任何國家都難以在封閉的狀態下得到發展。
辭彙搭配
- sintering in sealed box 密封箱燒結
- sealed-in motor 密封式電動機...
- sealed in 密封的(封閉...
