每一种无烟药都会有某种程度的烧蚀或炮膛磨损.Every powder produces erosion or bore wear to some extent.金属的烧蚀在很大程度上随熔点而变化.The erosion of metals varied depending largely on the melting point.经验表明,正电极比负电极烧蚀得快得多.Experience shows that the positive ...
Then he was so sprightly, so clean.那时候,他是那么生气勃勃 、 衣冠整洁.She was as sprightly as a woman half her age.她跟比她年轻一半的妇女一样活泼....the sprightly 85-year-old President.精神矍铄的 85 岁的总统She is as sprightly as a woman half her age .她跟比她年轻一...
Don't act on caprice. Study your problem.不要任性行事, 研究一下自己的问题.He acted not from reason, but from caprice.他不是凭理智, 而是凭幻想来行动.Her refusal to go to the party is a mere caprice.她拒绝参加宴会完全是无理由的突发之举....