整天照看孩子是个苦活儿.Looking after children all day is hard work.我这辈子干的苦活儿可真够呛.I've worked doggone hard in my life.我们是想告诉你,我们不打算做你的那些苦活儿.We're trying to tell you that we are not going to do your dirty work....
The sum of all the angles of a triangle is 180 degrees.三角形内角总和为180度。The hypotenuse is the longest side of a right triangle.直角三角形的斜边是直角三角形中最长的边.The base angles of an isosceles triangle are equal.等腰三角形的底角相等....
A microscope magnifies bacteria so that they can be seen and studied.显微镜把细菌放大,使人们得以看见并研究它.This microscope magnifies 40 diameters.这台显微镜能放大40倍.The microscope magnifies the object 100 diameters.显微镜把物像放大了一百倍....
He felt as if a serpent had spat venom into his eyes.他感觉就像有一条蛇朝自己的双眼里喷射了毒液。a look of pure venom恶狠狠的样子She surveyed him coldly with eyes that spat venom.她冷眼打量着他,眼睛冒出怨毒的凶光....