荷兰榆树病

Portland maintains at least 20,000 trees today, including about a hundred elm trees that survived a 1960s outbreak of Dutch Elm disease.

波特兰保持至少20000树木今天，其中包括大约一百种榆树成活树木20世纪60年代爆发一－荷兰榆树病。

Portland maintains at least 20,000 trees today, including about a hundred elm trees that survived a 1960s outbreak of Dutch Elm disease.

今天波特兰市维修至少有20000棵，其中包括大约100棵榆树的生存因为20世纪60年代曾经爆发荷兰榆树病。

Badtimes will give you Dutch Elm disease. It will leave the toilet seat up and leave the hairdryer plugged in dangerously close to a full bathtub. It will wantonly remove the forbidden tags from your mattresses and pillows, and refill your skim milk with whole.

这个邮件会使你患上荷兰榆树病，它会让你的屁股永远放不到马桶座垫上，还会把电吹风插在放满水的浴缸旁边的插座上，它会肆意篡改枕头和床垫的禁止事项，把脱脂牛奶换成全脂牛奶。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。