Dioptra
测量高度及角度用的一种光学装置
🗣️ 情景例句
about your salaries and your savings.
关于薪资和储蓄。
That deep sigh could only express Helen's sadness.
那深深的叹息，不外乎表示出海伦的悲哀。
'Dear me,' she said.
“天啊，”她说，