- 相关词组
- upper margin of book书本上页边距
- upper arms上臂
- hood side upper panel机罩上侧板
- upper crustn.上层人士；上流社会的人；达官显贵
- hot-water upper cover热水筒上盖
- upper classesn.上层社会，贵族阶层( upper class的名词复数 );
- upper jaw上颌;
- upper classn.上层社会，贵族阶层;
- upper deckn.上甲板;
- median upper lip cleft上唇正中裂
- upper handn.优势，上风，有利地位;
- heater upper cover加热器下[上]盖
- head upper drum磁头上鼓
- upper arm[医] 臂;上膊;膀子;
- upper reach上游河段;
- shoe upper鞋面
- upper house[法]上议院;上院;
- upper leg[医]大腿;
- upper berth上铺;
- infinitesimally small upper limit无穷小上限
