If two or more things coalesce, they come or grow together to form one thing or system .
发音
例句
1. And these rings of gas would then eventually coalesce and form the planets. 这些气体环最后终于凝结形成行星。 2. They will probably collide again and again until they coalesce. 他们可能会一次又一次地发生碰撞,直到他们合并。