surrounding block外层: sexine; outer layer; rind; s ...程序块: brick; block地层程序: stratigraphic procedures分层程序: blocking routine程序块: brick; (program) block下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:外层程序块，即可在微信中查询翻译
