查询词典 double angle formulas

double-duty plant：两用设备

两用煤油 double-duty kerosene | 两用设备 double-duty plant | 双效蒸发器 double-effect evaporator

double-duty kerosene：两用煤油

双滚筒绞车 double-drum rope winch | 两用煤油 double-duty kerosene | 两用设备 double-duty plant

double-duty lube truck：两用润滑油运输车

double-drum winch 双滚筒绞车 | double-duty lube truck 两用润滑油运输车 | double-duty regulator 双作用调节器

double-dyed：染二次的

double-duty 两种用途的 | double-dyed 染二次的 | double-edged 双重的

double-edged：双重的

double-dyed 染二次的 | double-edged 双重的 | double-edged 双头的

double-edged：双头的

double-edged 双重的 | double-edged 双头的 | double-entendre 双关语

double-edged sword：雙面刃

double-decker bus 雙層公車 | double-edged sword 雙面刃 | double-edged sword 雙面刃

Double-ended spanner：双头扳手

double drum hoist 双滚筒提升机 | double ended spanner 双头扳手 | double ended wrench 双头扳手

Double-ended spanner：双手扳手

Double door 双开门 | Double ended spanner 双手扳手 | Double-engine drive 双发动机驱动

double-ended queue：双端队列

double buffering 双缓冲 | double-ended queue 双端队列 | double-precision floating point number 双精度浮点数字

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.