billets

基本解释

These parts have usually been machined from solid billets, which can result in 90% of the material being cut away.
这些外壳通常由金属坯加工而成，其结果是90%的金属材料被废弃。
And once we lose the ability to use a pen and paper, it's only a matter of time until we can no longer decipher previous generations' billets-doux.
同时，一旦我们失去了使用纸和笔的能力，我们再也不能解读前人的情书只是一个时间问题。
The trick he learned there was to move into steelmaking using imported direct-reduced iron (DRI) pellets instead of more expensive scrap or imported steel billets.
在那里，米塔尔学到的一个诀窍就是，采用进口的直接还原铁丸（direct-reduced iron (DRI) pellets ），而不是采用更为昂贵的进口或报废钢坯。

And, these are giant billets of solid titanium weighing tens of tons.
这些巨大的固体钛的铸锭,有十几吨。
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Each day, he sent to her house, on Dupont Circle, a packet of billets-doux and state documents.
NEWYORKER: State of the Union
Young lovers in Victorian England, forbidden to express their affection in public and fearful that strict parents would intercept their billets-doux, sent coded messages through the personal columns in newspapers.
FORBES: I've got a secret

If members of the armed forces are billeted in a particular place, that place is provided for them to stay in for a period of time.
A billet is a house where a member of the armed forces has been billeted.
a chunk of wood, esp for fuel