While taller wheat competed better for sunlight, they had a tendency to collapse under the weight of extra grain—a trait called lodging.
虽然较高的小麦能更好地争夺阳光，但它们在额外谷粒的重压下会有倒塌的倾向——这种特性被称为倒伏。
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The Department for Education's guidance says schools can charge only for board and lodging if the trip is part of the syllabus, and that students receiving government aid are exempt from these costs.