单词 | speck |
释义 |
speck听听怎么读
英 [spek]
美 [sp?k]
是什么意思 污点;微粒; 使有斑点; 变形复数:specks 英英释义speck[ spek ]
学习怎么用 词组短语a speck of一点点 同近义词辨析 particle, atom, grain, speck, molecule 这组词都有“粒,微粒”的意思,其区别是: particle指任何物质的微粒,引申指任何小的部分。 atom指元素的最小粒子,其体积比molecule小。 grain通常指能为肉眼清楚看到的颗粒,比上述几个词所表“粒”的体积大。 speck一般指“微点”或“微粒”,可引申指“斑点、污点”。 molecule指物质中保持原物质的一切化学性质,能独立存在的最小微粒,即分子。 双语例句用作名词(n.)
权威例句Graft-versus-leukemia reactions after bone marrow transplantation.Salmonella mutagenicity tests: II. Results from the testing of 270 chemicals.Protein and cell membrane iodination with sparingly soluble chloroamide, 1,3,4,6-tetra chloro-3a,6a-Diphenylglycoluril.Biochem. Biop...Salmonella mutagenicity tests: III. Results from the testing of 255 chemicalsProspects for LED lightingAn update of controlled physical activity trials in cancer survivors: a systematic review and meta-analysisLocal delivery of paclitaxel to inhibit restenosis during angioplasty of the leg.Bone marrow transplantation for Philadelphia chromosome-positive acute lymphoblastic leukemia.Retinoic acid receptors and retinoid X receptors: interactions with endogenous retinoic acids.Interaction, growth, and ordering of epitaxial graphene on SiC{0001} surfaces: A comparative photoelectron spectroscopy study
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