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 ...
When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。"I can't give you an answe...
I like the starry winter sky.我喜欢这满天星斗的冬夜。It was a beautiful sight outlined above the starry sky.星空之上映衬出美景。The sky was deep blue and starry...天空一片深蓝色，其间星光闪烁。He looked at the starry heavens.他瞧着布满星星的天空。The sky was deep blue...
她深深爱着他：这是个童话般的浪漫故事。She loved him so much: it was a fairytale romance.在这个卡通童话里王子变成了一只青蛙。A prince turns into a frog in this cartoon fairytale.童话故事不仅仅是写给孩子们的。Fairy tales weren't just meant for children....