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- Such a projectile in a metal casing; a cartridge. 弹药(筒)装在金属盒中的射弹。弹药
- Such a projectile in a metal casing;a cartridge. 弹药（筒）装在金属盒中的射弹。弹药
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热，金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
- The earliest muzzle-loading rifles were more difficult to load than smoothbore muskets, but the invention of metallic cartridges made possible the development of breech-loading mechanisms. 最早的前装步枪装弹比滑膛枪困难，但金属弹药筒的发明促进了后膛装弹装置的发展。
- You need a powerful saw to cut through metal. 切割金属需用强劲的锯。
- The hot metal contracts as it cools (down). 热的金属一冷(下来)就收缩。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The metal is fretted with the acid. 金属被酸腐蚀。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The frame of the umbrella is made of metal. 伞的骨架是金属制的。
