1·However, it is impossible to do justice to Roman wares on the page, even when words can be backed up by photographs and drawing.
尽管有照片和画像支持文字记录，也无法轻易的对罗马陶器做出公正评价。
2·The rebels backed up their demands with threats.
反叛者以恐吓手段要挟。
—— 《牛津词典》
3·I backed up carefully until I felt the wall against my back.
我小心翼翼地后退了几步，直到感觉到后背贴上了墙。
—— 《柯林斯英汉双解大词典》
4·These front-line defences are backed up by armoured units in reserve.
前线防御有后备装甲部队的支援。
—— 《柯林斯英汉双解大词典》
5·Every decision has to be backed up with rational and cogent arguments.
每项决定都应该有合理和令人信服的论据做支持。
—— 《柯林斯英汉双解大词典》
6·The secretary general says the declaration must now be backed up by concrete and effective actions.
秘书长说现在必须以具体有效的行动来支持这个宣言。
—— 《柯林斯英汉双解大词典》
7·He backed up a few steps.
他后退了几步。
8·As he backed up Hook advanced, and now the red spark was in his eye.
当他后退时，胡克又向前进了一步，这时他眼睛里闪烁着红色的火花。
9·They are backed up by technicians who design instruments to collect data from athletes.
他们得到了技术人员的支持，这些技术人员设计仪器来收集运动员的数据。
10·Rutherford, who I have already described to you as being a little bit colorful in his language, backed up Bohr on this.
卢瑟福，就是以前我跟你们提过的那个语言丰富生动的人，在这一点上证实了波尔的理论。