率: rate; proportion; ratio...
实验: experiment, test, experimental, to experiment...
勤劳: hardworking, industrious, diligent...
单调: monotonous...
洞: cave, hole, zero (unambiguous spoken form when spelling out numbers)...
公款: public money...
野: field, plain, open space, limit, boundary, rude, feral...
预示: to indicate, to foretell, to forebode, to betoken...
气温: air temperature...
真诚: true, sincere, genuine...
