weathered zone的用法和樣例：
例句
- The potash feldspar orebodies are discovered in a slightly-weathered zone of megaporphyritic medium-coarse-grain hornblende biotite adamellite.
礦體賦存於巨斑狀中粗粒角閃黑雲二長花崗岩弱風化帶中。 - Such low velocities are usually seen only near the surface in a zone called the weathered layer or the low-velocity layer.
這樣低的速度通常只在地表附近稱為風化層或低速層的地帶中見到。
