登录
to make happy sounds and move our face like we are smiling because something is funny
笑
to put our bottom on something like a chair or the ground while keeping our back straight
坐下
to make our mouth curve upwards, often in a way that our teeth can be seen, to show that we are happy or amused
对别人微笑
something that a person spends time doing, particularly to accomplish a certain purpose
活动
an occasion when we pack food and take it to eat outdoors, typically in the countryside
野餐
a series of sounds made by instruments or voices, arranged in a way that is pleasant to listen to
音乐
a sport played with a round ball between two teams of eleven players each, aiming to score goals by kicking the ball into the opponent's goalpost
足球
a sport in which two or four players use rackets to hit a small ball backward and forward over a net
网球
a set of printed pages that are held together in a cover so that we can turn them and read them
书
a story that we can watch on a screen, like a TV or in a theater, with moving pictures and sound
电影
an electronic device with a screen that receives television signals, on which we can watch programs
电视
