preserve species/von

31.   Despite further testimony that animal cloning research could preserve endangered species and have applications for organ transplants in humans, House members appeared to remained uncomfortable.

v. + species >>共 298 个
protect 12.37%
threaten 4.41%
preserve 3.33%
save 3.23%
find 3.12%
endanger 2.80%
include 2.69%
list 2.26%
identify 1.72%
have 1.61%
preserve + n. >>共 955 个
peace 1.86%
job 1.63%
environment 1.52%
integrity 1.52%
tie 1.41%
victory 1.32%
right 1.30%
history 1.13%
land 1.13%
memory 1.07%
species 0.87%
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