Trampolines
n. 蹦床, （杂技表演中翻筋斗用的）蹦床, 弹床( trampoline的复数形式 )
🗣️ 情景例句
Do you frequently surf the net?
你经常上网吗？
It has been a long time since last came here.
自从我上次来这里已经有很长时间了。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。