本文目录
grade什么意思
n.等级，级别；成绩；年级 vt.分等；评分grade 1 / greɪd; ɡred/ n step, stage or degree of rank, quality, etc; level of classification （官阶、 质量等的）等级, 品级; 阶段; 程度: a person’s salary grade, ie level of pay 某人的薪金级别 * 的公务员、 奶品、 猪、 材料 * Grade A potatoes are the best in quality. 甲等马铃薯是质量最好的. (a) mark given in an examination or for school work （考试或作业的）分数, 评分等级: Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等. * She got excellent grades in her exams. 她考试成绩优异. (b) level of (esp musical) skill at which a pupil is tested （学生受测试的）技巧水平（尤指音乐方面）: He’s got Violin Grade 6, ie has passed a test at that level of skill. 他的小提琴6级考试及格了. (US) division of a school based on the age of the pupils; pupils in such a division 年级; （按年级划分的）小学生: My son’s in the third grade. 我儿子上小学三年级. (US) = gradient. (idm 习语) make the `grade (infml 口) reach the required or expected standard; succeed 达到要求的或预期的标准; 成功. on the `up/`down grade getting better/worse 逐渐好转: Business is on the up grade. 生意日渐兴隆.# `grade crossing (US) = level crossing (level1).`grade school (US) = primary school (primary).`grade teacher (US) teacher in a grade school 小学教师. grade 2 / greɪd; ɡred/ v 按级分类或分等: The potatoes are graded by/according to size. 马铃薯按大小分等级. * Eggs are graded from small to extra-large. 鸡蛋从小的到特大的分成了等级. (esp US) mark (written work); give (a student) a mark 给（书面作业）评分; 给（学生）分数: The term papers have been graded. 期末考卷已评完分数了. * A student who gets 90% is graded A. 凡得90分的学生列为甲等. make (land, esp for roads) more nearly level by reducing the slope （用削减斜度的办法）使（地面, 尤指路面）接近水平.
hetero-geneity什么意思
专业术语请先看例词异质性(hetero-geneity)疾病 heterogeneityn.多相性；异质性 例句1.The two loci all have sequence heterogeneity.两基因座均存在序列异质性。2.Heterogeneity was assessed with chi-square statistics.用卡方检验评估异质性。
with great care是什么状语
with great care，中文意思：小心翼翼地、非常仔细地、非常慎重地with great care是“with + 名词”结构做伴随状语，表示行为的伴随状况。with care（小心地、仔细地）表示行为是“小心翼翼”的、“非常慎重”的great（重大的、伟大的），形容词，修饰名词care（小心），表示care的特征例句：The old doctor handles his cases with great care.（这位老医生诊病非常细心）
