Olsmoloy
铜锌镍合金
🗣️ 情景例句
Hope to be a bigger help on the new community-center project.
希望能在新社区中心这件事上提供更大的帮助。
Nothing is difficult to the man who will try.
世上无难事，只要人肯试。
Sure. I'll bring it in next week.
好哇 ，我下个礼拜带过来。