I'll print these out and study them.
我会把这些打印出来并加以研究。
Scientists make tapes of the sounds and study them.
科学家将这些声音制成磁带并进行研究。
It loans the animals to zoos in the U.S.and other countries to raise awareness of the endangered animals, and to help scientists study them.
VOA: standard.2010.02.02
If they're not obvious to you what they're called, you need to just study them and learn them.
如果它们不想它们的名字那么显而易见,你们需要学习它们记住它们。
Hopefully, they'll all study them again, so this won't be an issue.
希望他们也都重新学一遍,这样就不会出问题。
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