Gradiograph
测斜仪
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
All is not lost that is in danger.
在危险中的东西未必都会损失。
It will be a mixed school where not all the children are disabled.
它是一所混合式学校，学校里的儿童并不都是残疾人。