Frcmc
纤维增强陶瓷基复合材料
🗣️ 情景例句
We have already conceded, it's in your hands now.
我已经做出让步，现在决定权在你手中。
A little leak will sink a great ship.
千丈之堤溃于蚁穴。
Would you be kind enough to sign our visitors book?
请在来宾簿上签名好吗？