查询词典 double-u

double-bladed plough：双铧犁

double-bladed knife switch 双闸刀开关 | double-bladed plough 双铧犁 | double-bonded hydrocarbon 双键烃

double-bottom compartment：双层底舱

double-block and bleed assembly 双止回装置和放气设施 | double-bottom compartment 双层底舱 | double-bottom margin 双层底边板

double-bottom space：双层底空间

double-bottom margin 双层底边板 | double-bottom space 双层底空间 | double-bottom tank 双层底舱

double-bottom margin：双层底边板

double-bottom compartment 双层底舱 | double-bottom margin 双层底边板 | double-bottom space 双层底空间

double-bottom vessel：双底船

双系缆柱 double-bitt | 双底船 double-bottom vessel | 双断开关 double-break switch

double-bottom trailer combination：双联拖车

double-bottom tank 双重底液舱 | double-bottom trailer combination 双联拖车 | double-bottommargin plate 内底边板

double-branch bend：双支弯头

double-bowl vacuum centrifuge ==> 双鼓真空离心过滤器 | double-branch bend ==> 双支弯头 | double-branch gate ==> 双侧浇口

double-branch gate：双侧浇口

double-branch bend ==> 双支弯头 | double-branch gate ==> 双侧浇口 | double-break circuit-breaker ==> 双断断路器

double-break switch：双断开关

double bell 双铃 | double break switch 双断开关 | double bridge 双臂电桥

double-buttoned pyramid coat：角锥形双钮大衣

double-bus 双层公共汽车 | double-buttoned pyramid coat 角锥形双钮大衣 | double-cable ropeway 双缆索道

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.