short piece短: short; brief仔: young短水管；“短仔”: short piece“对症下药”教学法: diagnostic prescriptive teaching“动作正常”信号: all seems well signal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:“短仔”，即可在微信中查询翻译
