Grammar Note
可数名词，复数形式为trampolines。
蹦床
trampolines — plural of trampoline
先理解核心含义，再看它在真实句子里的用法。
蹦床
A piece of equipment consisting of a strong fabric sheet stretched over a frame with springs, used for jumping and acrobatics.
The children spent the afternoon jumping on the trampoline in the backyard.
孩子们在后院的蹦床上跳了一下午。
一种体操和娱乐装置,由紧绷的结实织物或橡胶覆盖在(通常为钢制)框架上,并用许多螺旋弹簧固定。
A gymnastic and recreational device consisting of a piece of taut, strong fabric or rubber stretched over a (usually steel) frame using many coiled springs as anchors.
由弹簧连接在金属框架上的坚固帆布制成的体操器械,用于翻腾动作
gymnastic apparatus consisting of a strong canvas sheet attached with springs to a metal frame; used for tumbling
一项竞技运动,运动员在蹦床上表演的成套技巧动作由裁判评分。
A competitive sport in which athletes are judged on routines of tricks performed on a trampoline.
特定编程语言中的各种循环或跳转指令之一。
Any of a variety of looping or jumping instructions in specific programming languages.
She bought a new trampoline for her daughter's birthday.
她给女儿买了一张新蹦床作为生日礼物。
The gym has several trampolines for students to practice their flips.
健身房里有几张蹦床，供学生练习翻腾动作。
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可数名词，复数形式为trampolines。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.