这两棵树已长合在一起,成了一棵连理树.The two trees have grown together to form a double trunk.碎骨可长合.A broken bone can knit.必须等断骨长合以后,你方能走路.The broken part must fuse with the rest of the bone before you can walk again....

“长合”的英语可以翻译为：ankylose ...