1.   Spinneys and woods are all that remain of once thick forest cover.

2.   Once the forest cover is felled, rains wash away the soil.

3.   Vietnam has lost around half its forest cover in recent decades through a combination of war and population pressure.

4.   I tried to imagine the animals darting out from forest cover to amble at his side or flutter around his head, but there were no animals anywhere.

5.   In study areas with little forest cover, the number of nestlings fledged each summer was too low to compensate for normal adult mortality.

6.   In the years to come, the CPRs lived a druid-like existence, hiding under the tall forest cover and developing a tightly organized, collective structure.

7.   Levels of nest predation also soared as forest cover decreased.

8.   Officials here said the prolonged dry season was also causing areas that have been stripped of their forest cover to burst into flame.

9.   State and federal environmental officials fear that visitors to the new Headwaters park will trample important forest cover.

10.   The company maintains that its plans will actually improve forest cover.

n. + cover >>共 404
cloud 16.51%
snow 5.41%
album 5.26%
manhole 5.19%
book 3.87%
forest 1.97%
seat 1.97%
bed 1.53%
tonneau 1.31%
head 1.31%
forest + n. >>共 382
fire 29.49%
floor 4.14%
land 3.36%
area 3.32%
product 3.32%
reserve 2.75%
management 2.49%
company 1.48%
canopy 1.44%
plan 1.40%
cover 1.18%
每页显示:    共 27