Pseudovitrinite
假镜煤; 假镜煤组
🗣️ 情景例句
How much do stamps cost?
邮票多少钱？
The milk in the refrigerator has begun to turn sour.
冰箱里的牛奶开始腐败了。
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。