Blastoidea
海蕾纲
🗣️ 情景例句
The global economy helps make the world smaller and smaller.
在全球经济的推动上，世界变得越来越小。
Don't lend him the money.
不要借钱给他。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。