primary radioisotope
初级放射同位素;原始放射性同位素
热门查询
- hydropower n. 水力发出的电力；水力发电
- crossword n. 纵横字谜；纵横填字谜（等于cross puzzle）
- vegetation n. 植被；植物，草木；呆板单调的生活
- contending adj. 争先的 v. 奋斗（contend的ing形式）
- phenotypic adj. 表型的
- bridgetown n. 布里奇顿（巴巴多斯首都）
- pinion n. [机] 小齿轮；翅膀，鸟翼 vt. 绑住，束缚；剪掉鸟翼使不能飞
- jinny n. 自重滑行坡
- oarsman n. 划手；划桨能手
- tambourine n. 小手鼓；非洲野鸽
- synodic adj. 相合的；会议的
- dipstick n. 量油尺；量油计
- postal n. 明信片 adj. 邮政的；邮局的
- tasmania n. 塔斯马尼亚岛（位于澳洲东南方）
- stomachache n. 腹痛，肚子痛；胃痛
- revoke n. 有牌不跟 vt. 撤回，取消；废除 vi. 有牌不跟
- radioactivity n. 放射性；[核] 放射能力；[核] 放射现象
- commander-in-chief n. 总司令
- beechnut n. 山毛榉坚果
- congealed adj. 凝结的，凝固的
考试词汇表
- inner circumferential lamella
- inner diameter of flexs-pline
- inner layer of boundary layer
- inner product of hyperspheres
- inner ring front face chamfer
- inner ringless roller bearing
- inner tube extrusion operator
- inner vertex of directed path
- inner-vibrating mould dragger
- innovative business technique
- inoculation lymphoreticulosis
- inorganic chemical technology
- inorganic colloid in seawater
- inorganic compounds of SILVER
- inorganic compounds of SULFUR
- inorganic dissolved component
- inorganic dissolved substance
- inorganic gelthickened grease
- inorganic insoluble substance
- inorganic insulating material
