Equidensography
显象测等光密度术
🗣️ 情景例句
Sometimes he's very sad.
他有时很忧悒。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
The most important factor in our environment is the state of our own minds.
我们环境中最重要的因素就是我们的思想状况。