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| safeguard | 
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| n.  (防衛措施,防範措施) one who, or that which, defends or protects; defense; protection | 
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| saline | 
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| a. Syn. salty (含鹽的,鹹的) salty; containing salt; of or relating to chemical salts | 
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| salute | 
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| n. Syn. honor (行舉手禮,歡迎,祝賀) give a sign of good will; compliment by an act or ceremony, as a kiss, a bow; honor | 
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| salvage | 
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| v. Syn. rescue (補救,搶救,打撈,營救) save from loss or destruction; rescue of a ship; save for further use | 
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| sanction | 
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| v. Syn. approve; ratify (批准,許可) give authorization or approval to something; penalize a state, especially for violating international law | 
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| sanity | 
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| n.  (神誌清楚) condition or quality of being sane; soundness of health of body or mind, especially of the mind | 
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| sarcasm | 
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| n. Syn. wit; satire (挖苦,諷刺) cutting, often ironic remark intended to wound; stinging rebuke; form of humor by mocking with irony | 
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| saturate | 
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| v. Syn. soak (浸透) soak, fill, or load to capacity; cause to unite with the greatest possible amount of another substance | 
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| savage | 
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| a. Syn. rude; wild; brutal (兇猛的,野蠻的) in a state of nature; wild; untamed; uncultivated; inhuman; brutal; not civilized; lacking polish; rude | 
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| scalpel | 
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| n.  (外科手術刀,解剖刀) a small knife with a thin, keen blade, used by surgeons, and in dissecting | 
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| scant | 
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| a.  (不足的,缺乏的) scarcely sufficient; less than is wanted for the purpose; not enough | 
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| scatter | 
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| v. Syn. sprinkle; disseminate; spread (使分散,擴散) sprinkle; disseminate; cause to separate and go in different directions | 
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| scenery | 
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| n. Syn. landscape; view (風景,景色) landscape; view; view or views of natural features, especially in open country | 
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| scold | 
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| v.  (叱責,漫罵,責備) find fault or rail with rude clamor; utter harsh, rude, boisterous rebuke | 
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| scope | 
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| n. Syn. range; extent; bound (範圍,界限) range of one's perceptions, thoughts, or actions; extent; bound |