n.比较随便的打招呼,近似于"What' up?" "Hey!;
英文例句/中文翻译:
He kept bouncing up and down like a yo-yo.
他像个悠悠球似的蹦蹦跳跳。
Back in those days my equity used to swing up and down like a yo-yo.
过去,我的资金总是上上下下,像溜溜球一样.
Why should yo ! u wear a full-face helmet?
为什麽你应该穿戴一顶全罩式的安全帽?