outer skin的用法和樣例：
例句
- Its thin outer shell had protected its liquid interior.
它薄薄的外殼保護著它呈液體的內臟。 - The alloy is suitable for making the skin of an ultrasonic plane.
這種合金適宜於製造超音速飛機的外殼。 - Outer space is the common wealth of mankind.
外層空間是全人類的共同財富。 - Double Cloth Bag with Outer Bag Starched.
雙層布袋外層上漿。
