3. Listen and circle the sentences you hear. 听一听,圈出你所听到的句子。
英英解释
n.
1. ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a
2. an unofficial association of people or groups
3. something approximating the shape of a circle
4. movement once around a course
5. a road junction at which traffic streams circularly around a central island
6. street names for flunitrazepan
7. a curved section or tier of seats in a hall or theater or opera house; usually the first tier above
8. any circular or rotating mechanism v.
1. travel around something
2. move in circles
3. be around
4. form a circle around