Eudidymite
[矿]双晶石
🗣️ 情景例句
Yes?
真的？
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
I think it would be a good idea to have comments from secretaries and typists who are already using it. Then they can express their satisfaction with the product.
我认为，听听使用过这种计算机的秘书和打字员的反映，倒是个好主意。他们可以发表对产品满意的意见。