边界破裂boundary: n. 边界,疆界,限界 (between);(球场)边线 ...fracture: vt.,vi. (使)破裂;(使)折断;(使)断裂。 n ...boundary brittle fracture: 边界脆性断裂; 晶界脆断boundary creep fracture: 边界蠕变断裂boundary plastic fracture: 晶界塑性断裂下载手机词典可随时随地查词查翻译