twinning

1.孪生儿之一；双胞胎之一one of two children born at the same time to the same mother

1.[usupass]~ sth (with sth)使结成姊妹城市；使结成友好地区to make a close relationship between two towns or areas

2.~ sth (with sth)使（两人或两事物）紧密结合；使耦合；使相连to join two people or things closely together

1.孪生之一的；双胞胎之一的used to describe one of a pair of children who are twins

2.成对的；成双的used to describe two things that are used as a pair

3.双重的；双联的；两个同时发生的used to describe two things that are connected, or present or happening at the same time

1.【植】双生[对生]的

2.孪生的

3.成对的,酷似的

1.孪生儿之一;孪生儿,双胎,联胎

2.【晶】孪[双]晶

3.【天】双子座;双子宫

4.相像的人[物],一对中的一方;对

1.(同...)成对 (with)

2.(使)生孪生儿

3.【物】(使)成双晶

1.forming a pair of two similar things

2.closely connected

1.one of two children born at the same time to the same mother. Twins of the same sex who look exactly like each other are called identical twins. Twins that are not identical are called fraternal twins

1.if two towns in different countries are twinned, they have established a formal connection to encourage visits and exchange information