您要查找的是不是：
- [US] 换挡 shift gear
- 换挡 stage changeover
- [US] 谨上 Sincerely yours
- 你拐角时要换挡变速。 You have to shift as you drive around the corner.
- [US] 住院 in the hospital
- [US] 海军部 the Department of the Navy
- 我拐弯之前该不该换挡? Should I shift gears before making a turn?
- [US] 公寓楼 apartment block
- [US] 国务院 Department of State
- 卡车司机换挡上山坡。 The truck driver changed gear to go up the hill.
- 超声（US） Ultrasonography(US)
- 灵巧的换挡 a slick gear change
- [US] 国务卿 Secretary of State
- 换挡叉 selector fork
- [US] 开始沸腾 a boil
- 换挡器 selector
- [US] 邮寄某物 mail
- 换挡杆 gear level
- [US] 业余时间 on one's own time
- 选换挡 shift
