kinetics英语

力学mechanics牛顿力学Newtonianmechanics经典力学classicalmechanics静力学statics运动学kinematics动力学dynamics动理学kinetics宏观力学macroscopicmechanics,macromechanics细观力学mesomechanics微观力学microscopicmechanics,micromechanics一般力学generalmechanics固体力学solidmechanics流体力学fluidmechanics理论力学theoreticalmechanics应用力学appliedmechanics工程力学engineeringmechanics实验力学experimentalmechanics计算力学computationalmechanics理性力学rationalmechanics物理力学physicalmechanics地球动力学geodynamics力force作用点pointofaction作用线lineofaction力系systemofforces力系的简化reductionofforcesystem等效力系equivalentforcesystem弹性力学elasticity弹性理论theoryofelasticity均匀应力状态homogeneousstateofstress应力不变量stressinvariant应变不变量straininvariant应变椭球strainellipsoid均匀应变状态homogeneousstateofstrain应变协调方程equationofstraincompatibility拉梅常量Lameconstants各向同性弹性isotropicelasticity...

Is your younger sister able to play violin

Can you younger sister play the violin?（特指是妹妹的话要加上Younger 不然随意）I want to learn about kinetics.（kinetics特指是运动的这一科目 可替换成 Sports）My friend often helps me with English. （Help sb. with 帮助某人做某事）