选种培育以提高产量会大有可为。There is potential for selective breeding for better yields.只要有耐心，是能成功培育出这一品种的。Given patience, successful breeding of this species can be achieved.把插条放在加热的培育箱里生根。Root the cuttings in a heated propagator....
An impulse of feeling now overcame her timidity, and Hetty spoke.一阵感情激动冲破了羞怯, 海蒂终于说话了.Again, such timidity is misplaced.这种胆怯又一次错位了.The new dancer smiled with a charming air of maidenly timidity and artlessness.新舞蹈演员带著少女般...