Cekas
赛卡司(镍铁铬合金)
🗣️ 情景例句
She's nine years old.
她九岁。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
Thanks, we appreciate the fast work.
谢谢你们这么快就办好了。