| 词汇 | safeguard |
| 词根词缀 | 词源： safeguard (n.) 1421, "protection, safety," from M.Fr. sauvegarde "safekeeping, safeguard" (13c.), from O.Fr. salve, sauve (fem. of sauf; see safe) + garde "a keeping" (see guard). Meaning "something that offers security from danger" is recorded from 1471. The verb is from 1494. 词根记忆： v. 维护,保护,捍卫n.安全装置,安全措施The guardian found a quarterly quart of quartz in the safeguard.监护人在安全装置内找到了四分之一夸脱石英. |
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