Quadriform
a. 有四种形态的, 包含四种形态的
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
John stopped to study.
约翰停下来去学习。
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-