善变

I suggested stroppy, volatile and square-eyed, and got a contemptuous look.

我建议用刁蛮、善变和沉迷网络，结果引来她不屑的表情。

Dynamics of mechanical systems with Coulomb friction, stiction, impact and constraint addition and deletion: I theory. Mechanism and Machine Theory.

通过对变拓扑结构系统的动力学建模过程几个关键问题的分析，为进一步建立与完善变拓扑结构柔性多体动力学奠定了基础。

The marks or scar is fading and the skin tone is very much well-toned.

就连皮肤上的疤痕也有稍微改善变淡（尤其是因为皮肤敏感而留下痕迹的脚部）。

So teaching high school, in addition to knowing one's subject matter thoroughly and being able to convey it to others, requires the grit of a long-distance runner, the stamina of a boxer going 15 rounds, the temperament of a juggler, and the street smarts of a three-card monte dealer.

所以，作为高中教师，除了需要具备通晓本专业学科知识并且传授给学生的教学能力之外，还需要具备长跑运动员的坚韧耐力，打满15回合拳击手的充沛体力，魔术师的善变灵通，街头赌徒的机敏狡黠。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。