A triangle.一个三角形
A triangle has three sides.三角形有三条边。
In this triangle, sides AB and BC are perpendicular to each other. /,pɜːp(ə)n'dɪkjʊlə/
在这个三角形中,边AB和边BC是互相垂直的
*【前缀 tri- ,表示三的意思, 三(倍)】
*【be perpendicular to:和……垂直】
A square.一个正方形
A square has four equal sides.正方形有四条等边。92
All four angles are right angles, or 90 degrees. 这四个角都是直角,或者说90度。 90
*【angle:角、angel:天使】
*【People's Square人民广场、Square dancing广场舞】
Two intersecting lines.两条相交线。/,ɪntɚ'sɛkt/
These two lines intersect or cross 0 at a 90-degree angle. 这两条线以90度角相交。
They are perpendicular to each other.它们彼此垂直。
*【intersect 和 cross都是相交的意思】
A circle is round.
All points on a circle are the same distance from its center. 圆上的所有点到圆心的距离都是相等的。90
*【center of a circle圆心】
Two parallel line.两条平行的线。 /'pærəlel/
These two lines never intersect because they are parallel. 这两条线永不相交,因为它们是平行的。
An angle.
These two lines meet at a 30-degree angle.这两条线以30度角相交。91
(A circle has no straight lines.) 87
Watch something.看某物
They are watching a movie on television. 他们正在电视上看电影。/tɛləˌvɪʒən/ (注意电视前介词用on)
Meet someone.见到某人
He is meeting her for the first time. 他是第一次见到她。
*【for the first time第一次(做某事)】
Talk with someone.
He is talking with a friend on his phone. 他正在和一个朋友通电话。92
*【talk to someone】
对某人讲话,介词to表示朝着、对着、向着,暗含的意思是一个人主动对另一个人讲话,但对方不一定需要讲话
*【talk with someone】和某人一起谈论,双方都要发表言论
Work with someone.
She is working with her co-worker. 她正在和同事一起工作。92
*【前缀co-表示共同的】
Interview someone.
She is interviewing a famous basketball player.她正在采访一位著名的篮球运动员。
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