• adj. 重大的；有效的；有意義的；值得注意的；意味深長的
• n. 象征；有意義的事物

sign,標記，記號，-fic,做，使，詞源同 fact,efficient.引申比喻詞義重要的，有意義的等。

significant (adj.)

1570s, "having a meaning," from Latin significantem (nominative significans, present participle of significare "make known, indicate" (see signify). Earlier in the same sense was significative (c. 1400). Often "having a special or secret meaning," hence "important" (1761). Related: Significantly. Significant figure is from 1680s. Significant other (n.) attested by 1961, in psychology, "the most influential other person in the patient's world."

1. Today's Security Council resolution will be a significant success for American diplomacy.

今天的安理會決議對于美國外交而言是一次重大的成功。

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2. The learner's attention needs to be directed to the significant features.

需要將學習者的注意力引向那些著重點上。

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3. The company looks poised to make a significant breakthrough in China.

這家公司看來很有把握在中國取得重大突破。

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4. It was clear that there was significant support for the Islamists.

顯然伊斯蘭教徒獲得了相當多的支持。

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5. Two significant constants have been found in a number of research studies.

若干研究已經發現了兩個重要常量。

來自柯林斯例句