derwynBNC¹⁷³⁹⁹⁵⁺² 例句 In Manitoba, the frost is the worst in memory for its frequency and area covered, said Derwyn Hammond, the province's senior agronomy specialist for the Canola Council. 在油菜籽理事会上，该省的高级农艺专家 Derwyn哈蒙德说：“在马尼托巴，霜冻的频率和覆盖面积是最差的。” yeeyan