range[ reind]n.范围,区域 emphasis[ emfasis]n.重点,强调,重要性 tolerance [ tolarans]n.忍受,容忍,耐性 carrier[' karia]n.带菌者,带虫者,带病体,载体,媒介物 green-fly['gri:n-flai]n.蚜虫 incidence[ insidans]n.发生率,发生 The act or an instance of happening; occurrence 发生,出现发生的行为或事件;出现 did not expect criticism and was surprised by its incidence. 受到未预料的批评而感到吃惊 Extent or frequency of occurrence:发生频率出现的范围、程度或频率: a high incidence of malaria in the tropics.热带地区疟疾的高发率 Physics【物理学】 The arrival of radiation or a projectile at a surface. 入射辐射或投影到某一表面 Angle of incidence.入射角 yellows[ je luz]n.[植]黄化病 furthermore[fa:寸a’ms:]ad.而且,此外 wound[wu.’nd]n.创伤,伤口;vt.,vi.伤害 remedy[ remidi]vt.补救,改善,纠正 deficiency[di'fi∫ansi]n.缺乏,不足 deficient[di'fi∫ant]a.缺乏的,不足的 chemical c[‘ kemikal]n.(常用复数)化学药品,化学制品 fungicide[fAnd3 isaid]n.杀真菌剂 spray[ spree]n.喷雾剂,喷雾(器) dust[dAst]n.粉剂 gas[gas]n.气体,煤气 suitable[sju:tabl]a.适宜的,合适的 precaution[pri’ko:∫an]n.预防,警惕 operator[ oparei ta]n.操作人员 repay[ri’pei]vt.补偿 cost [kost]n.成本,费用,代价 THE CONTROL OF PLANT DISEASES 13.00本文选自 Lockheart与 Wiseman合著的 Introduction to Crop Husbandry 13.01 decide on( or upon)为一习惯用法,意为:决定。如 We have decided on control measures.我们已决定了一些防治措施。 I have not yet decided upon where to spend my holidays. 我尚未决定在何处度假 13.02 as far as possible尽可能,尽力。这是一个常用词组。如: Having ascertained, as far as possible, the cause, the appropriate preventative or control measure can then be applied. 在尽可能查明原因之后,便可采用适当的预防或防治措施。 He will help far as possible.他会尽力帮助你 es在许多情况下。如 In many cases the answers are almost perfect.就许多情况,这些答案几乎是完善的 13.04 live on(或upon)靠。。。生活,以。。。。为食。如 Most bacteria live on organic matter。大多数细菌靠有机物质生活 They live on rice.他们以大米为主食 13.05 except用作介词,后面不但可接名词、代词、副词、介词短语,而且可接when,that等连接词引导 的从句。如 In many cases the parasite cannot exist except when (it is) living on the hostrange [reind ㄋ] n. 范围，区域 emphasis ['emfasis] n. 重点，强调，重要性 tolerance ['tolarans] n. 忍受，容忍，耐性 carrier ['kæria] n. 带菌者，带虫者，带病体，载体，媒介物 green-fly ['gri：n-flai] n. 蚜虫 incidence ['insidans] n. 发生率，发生 The act or an instance of happening; occurrence: 发生，出现发生的行为或事件；出现： did not expect criticism and was surprised by its incidence. 受到未预料的批评而感到吃惊 Extent or frequency of occurrence: 发生频率出现的范围、程度或频率： a high incidence of malaria in the tropics.热带地区疟疾的高发率 Physics【物理学】 The arrival of radiation or a projectile at a surface. 入射辐射或投影到某一表面 Angle of incidence. 入射角 yellows ['jelouz] n. [植]黄化病 furthermore ['fa：す a'mэ:] ad. 而且，此外 wound [wu.'nd] n. 创伤，伤口；vt.，vi.伤害 remedy ['remidi] vt.补救，改善，纠正 deficiency [di'fi∫ansi] n. 缺乏，不足 deficient [di'fi∫ant] a. 缺乏的，不足的 chemical C[‘kemikal] n. （常用复数）化学药品，化学制品 fungicide [fAnd ㄋ isaid] n. 杀真菌剂 spray [sprei] n. 喷雾剂，喷雾（器） dust [dAst] n. 粉剂 gas [gæs] n. 气体，煤气 suitable ['sju:tabl] a. 适宜的，合适的 precaution [pri'ko: ∫an] n. 预防，警惕 operator ['opareita] n. 操作人员 repay [ri'pei] vt.补偿 cost [kost] n. 成本，费用，代价 THE CONTROL OF PLANT DISEASES Notes 13.00 本文选自 Lockheart 与 Wiseman 合著的 Introduction to Crop Husbandry 13.01 decide on (or upon) 为一习惯用法，意为：决定。如： We have decided on control measures.我们已决定了一些防治措施。 I have not yet decided upon where to spend my holidays. 我尚未决定在何处度假。 13.02 as far as possible 尽可能，尽力。这是一个常用词组。如： Having ascertained, as far as possible, the cause, the appropriate preventative or control measure can then be applied. 在尽可能查明原因之后，便可采用适当的预防或防治措施。 He will help you as far as possible. 他会尽力帮助你， 13.03 in many cases 在许多情况下。如： In many cases the answers are almost perfect. 就许多情况，这些答案几乎是完善的。 13.04 live on (或 upon) 靠。。。。生活，以。。。。。。为食。如： Most bacteria live on organic matter。大多数细菌靠有机物质生活。 They live on rice. 他们以大米为主食。 13.05 except 用作介词，后面不但可接名词、代词、副词、介词短语，而且可接 when, that 等连接词引导 的从句。如： In many cases the parasite cannot exist except when (it is) living on the host