Pernmet
波梅特铜钴镍合金
🗣️ 情景例句
You have to appreciate the work that has gone into this piece of art.
你不得不佩服他为完成这件作品所倾注的心血。
I can't promise anything,but I'll do my best.
不敢保证，不过我尽力而为。
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。