Dutch elm disease

音標發(fā)音

The output was adjusted to the same pitch as the tree's screams and I threatened him with everything from falling branches to Dutch elm disease.
輸出的信號被調整至與楊柳樹的尖叫聲一樣的音調，我用各種可能來威脅他，從突然掉落的樹枝，一直到荷蘭榆樹病，什么都有。
Long called the forest City, ?Portland maintains at least 20, 000 trees today, including about a hundred elm trees that survived a 1960s outbreak of Dutch Elm disease.
波特蘭一直有森林城市的美稱，今天它擁有的樹木至少2萬棵，其中包括約100榆樹，它們歷經20世紀60年代爆發(fā)的荷蘭榆樹病而幸存下來。
Long called the “Forest City, ” Portland maintains at least 20, 000 trees today, including about a hundred elm trees that survived a 1960s outbreak of Dutch Elm disease.
長期以來被稱為“森林城市”，波特蘭今天至少保留著20,000棵樹，其中包括約100棵榆樹，它們在20世紀60年代所爆發(fā)的荷蘭榆樹病中幸存了下來。

Many of the maples now being devoured by China's beetles were planted by his father, also Chicago's mayor, when Dutch elm disease swept through the city nearly three decades ago.
ECONOMIST: The invaders from China The
Tests showed the bacteria also killed Dutch elm disease.
FORBES: Energy & Genius

a disease of elm trees caused by the fungus Ceratocystis ulmi and characterized by withering of the foliage and stems and eventual death of the parts of the tree above ground