flex

1.[t][i]~ (sth)屈伸，活动（四肢或肌肉，尤指为准备体力活动）to bend, move or stretch an arm or a leg, or contract a muscle, especially in order to prepare for a physical activity

flex your muscles

显示实力，炫耀力量（尤指作为警告或威胁）to show sb how powerful you are, especially as a warning or threat

1.[c][u]花线；皮线a piece of wire that is covered with plastic, used for carrying electricity to a piece of equipment

1.弯曲(关节)

2.折曲(地层)

1.弯曲,折曲

2.〔主英〕【电学】花线,皮线

3.〔植〕亚麻;亚麻皮,亚麻纤维

1.to bend something, or be able to be bent

2.to bend something, especially a joint of the body

3.to move or tense a muscle, or become tense or contracted

4.to move or bend a muscle or body part, usually in order to stretch or exercise it

1.bending, or the ability to bend

2.flexible insulated electric cable, especially a length of this attached to an electrical appliance

3.a plastic covered wire that bends easily, used for connecting an object that needs electricity to an electric current