也许能从别人那里或从改换的环境中获得益处.Help may come either from other human beings or - from a different quarter.偷窥透过细缝或从某物后面偷偷地看.To peer through a small aperture or from behind something.化学方面, 像钾和铝这样的物质被加入到岩石中或从其中流失.Chemically, elements...