"parts of the trunk of this tree can regrow"
"some invertebrates can regrow limbs or their tail after they lost it due to an injury"
regsn.海军学校规则
regabbr.地区(=region)abbr.登记(=register)abbr.有规则的(=regular)
regenerator kiln交流换热炉,再生炉
regulating wheel调整轮,调节轮
regiospecificityn.区域专一性
regulatorproblem调节器问题
regulator of fan电扇调速器
regio subhyoidea舌骨下区
regulus of Venus耐腐蚀合金