In the current research program, new varieties of apple trees are evaluated under different agricultural (i)_____for tree size, bloom density, fruit size, (ii)_____to various soils, and resistance to pests and disease.
Blank(i) | Blank(ii) |
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重点单词 | 查看全部解释 | |||
resistance | [ri'zistəns] | 联想记忆 | ||
density | ['densiti] | |||
current | ['kʌrənt] | 联想记忆 |
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