3. Many of Britain's beaches fail to meet minimum standards of cleanliness.
4. My understanding was that we'd meet at her place.
我的`理解是我们在她那儿见面。
5. Parallel lines will never meet no matter how far extended.
无论延伸多长,平行线永不相交。
6. We were not able to meet the deadline because of manufacturing delays.
因为制造方面的延误,我们没能赶上最后期限。