a couple of
两个, 几个
热门单词
- abdominal delivery
- abernathyite
- abrasion of paint
- ABRO
- access patch
- according to
- accumulation curve
- ace-high
- acetarsol
- acetylene welder
- achech
- achromachia
- acid weighing tank
- acidofuge
- acidocyte
- acknowledgement of receipt
- acoustic homing
- acoustic power output
- acquired characteristic
- acquisition and tracking radar
- acquisition of right
