adj.固体的；实心的；结实的，可靠的；可信赖的n.固体；立体图形；立方体； 变形： 复数：solids 双语释义：adj.(形容词)固体的 not needing a container to hold its shape; not liquid or gas实心的 having an inside filled up; not hollow结实的,稳定的 made of close and tightly packed material; compact可靠的 that may be depended