Daltoflex
聚氨酯橡胶
🗣️ 情景例句
Simple.
简单明 。
No, it isn't. Yes, it is.
不，它不是。 是的，它是。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。