immunity
英[?'mju?n?t?]
美[?'mj?n?ti]
- n. 免疫力；豁免權(quán)；免除
詞態(tài)變化
復數(shù):?immunities;
助記提示
1、im- "not, opposite of" => "這里引申為：free from, exempt from" + mun- + -ity.
2、字面含義：free from or exempt from public service or duty, exempt from service or obligation. 也就是不用做公共服務，免除了公共服務。
3、按咱們古代的說法：就是不用服勞役。由此引申為：豁免、免除、免疫。
中文詞源
immunity 免疫力
來自immune,免疫的。
英文詞源
- immunity (n.)
- late 14c., "exempt from service or obligation," from Old French immunité and directly from Latin immunitatem (nominative immunitas) "exemption from performing public service or charge," from immunis "exempt, free," from assimilated form of in- "not, opposite of" (see in- (1)) + munis "performing services" (compare municipal), from PIE *moi-n-es-, suffixed form of root *mei- (1) "to change" (see mutable). Medical sense "protection from disease" is 1879, from French or German.
雙語例句
- 1. The embassy official claimed diplomatic immunity and was later released.
- 那名使館官員申請外交豁免，隨后被釋放。
來自柯林斯例句
- 2. Because of the immunity of the immature insects, it'simportant to spray regularly.
- 由于幼蟲對藥物有免疫力，因此必須經(jīng)常噴藥。
來自柯林斯例句
- 3. The police are offering immunity to witnesses.
- 警方對證人將免予起訴。
來自柯林斯例句
- 4. The vaccine provides longer immunity against flu.
- 這種疫苗對流感的免疫效力時間較長。
來自《權(quán)威詞典》
- 5. A strong immunity to reinfection develops after one year.
- 一年后能對再度感染產(chǎn)生強大免疫力.
來自《簡明英漢詞典》