Macor
玻璃陶瓷
🗣️ 情景例句
That's a good sign.
这是个好兆头。
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
The holes are only borings, less than a foot in diameter.
这些洞只不过是一些钻孔，直径不到1英尺。