Iecnum
铜镍合金
🗣️ 情景例句
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
All our garments are now poly-cotton, which is stronger, needs little ironing, and allows variations in patterns.
现在我们的服装都是涤棉料的，质地坚韧，不用熨烫并且花样繁多。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，