buttress-thread
[机] 锯齿螺纹，偏梯形螺纹；偏直三角螺纹；斜方螺纹
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- swivel n. 转环；转椅座架 vt. 使旋转 vi. 旋转
- taloned （动物）有爪的 爪形的
- moisturize vi. 增加水分；变潮湿 vt. 使增加水分，使湿润
- pastorale n. （意）田园曲；牧歌式歌剧
- scrotum n. [解剖] 阴囊
- punnet n. 圆形浅底小篮
- layabout n. 懒汉；游荡的人
- instruct vt. 指导；通知；命令；教授
- retrial n. 复审；复试
- sacrum n. [解剖] 骶骨；[解剖] 荐骨
- Montreux n. 蒙特勒（瑞士镇名）
- discriminatory adj. 有辨识力的；差别对待的
- hobble n. 跛行步态 vt. 使跛行 vi. 蹒跚；跛行
- rail n. 铁轨；扶手；横杆；围栏 vt. 铺铁轨；以横木围栏 vi. 抱怨；责骂
- runabout n. 流浪者；轻便小汽车；小型单座敞篷车 adj. 流浪的
- disavow vt. 否认，否定；抵赖；拒绝对…的责任
- clint n. [地质] 石芽；石灰岩岩脊；岩沟
- pendulous adj. 下垂的，悬垂的；摇摆的
- cofferdam n. 围堰；潜水箱 vt. 修筑围堰
- revetment n. 护岸；拥壁；被覆
考试词汇表
- environment-friendlier
- environment-friendlies
- environment-protection
- environmental accident
- environmental accounts
- environmental activity
- environmental aerology
- environmental analysis
- environmental anormaly
- environmental benefits
- environmental capacity
- environmental cleaning
- environmental concerns
- environmental controls
- environmental cracking
- environmental criteria
- environmental decision
- environmental disaster
- environmental dynamics
- environmental elements
