上下交困
上下交困上下交困[shàng xià jiāo kùn]1.■Both the higher and lower levels find themselves in a predicament.
热门单词
- 一次摄影 a shot;
- 一次毛纱法 direct attenuation silver processing;
- 一群野猪 a sounder;
- 丁字把手 T-handle;
- 丁字槽铣刀
- 万向节管 universal pipe joint;
- 万能铣镗机床 universal milling and boring machines;
- 三体问题 problem of three bodies; three-body problem;
- 三元醇 {化} triatomic alcohol; trihydric alcohols;
- 三列睫 tristichiasis;
- 三叠接斑 triple-lap lile;
- 三国
- 三拳不敌四手
- 三次倍频器 triductor;
- 三氯杀螨醇 dicofol;
- 三相电度表 three-phase watt-hour meter;
- 三硫
- 三端快速开关 trisistor;
- 三联苯曲霉素 Terphenyllin;
- 三能级微波激射器 three-level maser;
- 三色说 trichromatic theory;
