Tetrachoric
四项的
🗣️ 情景例句
What's the problem?
是什么问题？
I will go to the airport.
我将去飞机场。
they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
昆虫会吞食我们的全部庄稼，杀死我们的成群的牛羊。