1.acrobatic n.杂技；杂技艺术
Later a programme of music and acrobatics was presented.
后来演出了音乐、杂技节目。
2.cockroach n.蟑螂
There's an electric cockroach too.
电动蟑螂也出现了一只。
3.miniature n.微型复制品；微小模型
She is just like her mother in miniature.
她简直是她母亲的缩影。
4.ledge n.壁架；暗礁；矿脉
There are some objects of art on the ledge.
壁架上有一些工艺品。
5.gravity n.重力；万有引力
Gravity exists in virtually all areas of space.
重力其实无处不在。
