back-of-the-envelope [美 ˌbækəvðiˈɛnvəloʊp, 英 ˌbakəvðəˈɛnvələʊp] 形
back-of-the-envelope calculation/estimates:
- back-of-the-envelope
- aproximado
- did you put your address on the back of the envelope?
- ¿puso su dirección en el reverso del sobre?
单语范例（未经PONS编辑处理）
It was the first telegraph system to be put into commercial service.
en.wikipedia.org Put a sheet of greaseproof paper on a baking tray and have a glass of cold water handy.
www.express.co.uk Put the butternut squash into the foil-lined baking tin and bake in the oven for 45 minutes, stirring occasionally, until soft.
www.timesoftunbridgewells.co.uk His cobber takes his hand, and then the two turn, put their feet on the firing step, and start to pray together.
www.smh.com.au Put on your parking lights for safety which ensures your vehicle lights are not shining into other vehicles around you.
www.digitaljournal.com 浏览词典
- backlight
- backlighting
- backlist
- backlog
- backlot
- back-of-the-envelope
- back on to
- back out
- back out of
- backpack
- backpacker