and should not be put in drinks unless it is known to be safe.
只有知道冰塊安全時才能加入飲料。
新概念英語第四冊 Lesson 38 Water and the traveller

?? 句中詞匯解析

從本句中提取的重要詞匯

unless [?n'l?s] 詞頻1
conj. 除非,如果不; prep. 除了,…除外;
"The cultural life of the country will sink into atrophy unless more writers and artists emerge."
如果沒有更多的作家和藝術家出現,這個國家的文化生活將衰退。
近義:save, except
safe [sef] 詞頻1 詞根: 服侍
adj. 安全的;保險的,肯定的;無損的;提供保護的; n. 保險箱,保險柜;冷藏箱;〈俚〉避孕套;
?? 被save(拯救)已safe(安全)
"The family jewels are locked away in a safe."
家里的珠寶首飾都鎖在保險柜里。
近義:strongbox, vault, innocuous, inoffensive, offenceless, riskless 反義:hesitant, hesitative, infirm, irresolute, shaky, skeptical
known [n?un] 詞頻1
adj. 大家知道的;已知的;知名的;向某人作自我介紹; v. 知道( know的過去分詞 );看到過;聽到過;經歷過;
"There is no known antidote to the poison."
這種毒的解藥尚未發現。
近義:acknowledged, familiar, noted, reputable, reputed 反義:ignored, obscure, unadmired, unbeknown, unfamiliar, unidentified
drinks
n. 飲料, 飲品;喝酒(drink復數)

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