"The soprano and the pianist did not get together very well" "We joined forces with another research group"
"he collaborated with the Nazis when they occupied Paris"
collaborate是什么意思
collaborateur是什么意思
collaboration是什么意思
collaborationism是什么意思
collaborative是什么意思
collaborator是什么意思
collage是什么意思
collagen是什么意思
collagenase是什么意思
collagenolytic是什么意思