shieldedadj.有屏蔽的动词shield的过去式和过去分词.shieldn.盾；盾状物；防卫物vt.保护；庇护Shieldtunneling盾构隧道shield grafting盾形嫁接shielding angle遮光角,屏蔽角shielding flask屏蔽容器shield-shapedadj.盾形的shieldednucleus屏蔽核shielding depth屏蔽深度shielding braid屏蔽编织shielding block屏蔽块shield facility屏蔽设施