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- Studies on seed germination and storage of the invasive alien harmful species Chenopodium ambrosioides L. 外来有害植物土荆芥种子贮藏与萌发特性的研究。
- alien harmful species 外来有害生物
- Birds remove harmful species of beetles, caterpillars, ants and aphids from branches, Mooney explained, increasing the vigor of trees. 穆尼解释说，鸟儿可以除掉树枝上有害的甲虫、毛虫、蚂蚁与蚜虫，增进树木的活力。
- There are 2.15 species per square meter,the coverage was 4.41%and aboveground biomass was 11.28g/m2.The mainly harmful species to the grassland were Oxytropis ochrocephala,O. 平均2.;15种/m2，盖度达4
- Solidago canadensis can quickly grow and propagate,regarded as a harmful species to many other species,so it was being eradicated everywhere in our country now. 加拿大一枝黄花近年来一直被视为生物毒害性物种,它具有快速的生长和很强的蔓延能力。
- This paper discussed the present situation of the invasive plants in this Basin,enumerated 73 species of them,and introduced the seriously harmful species such as Eupatorium adenophorum,E. 本文论述了红河流域外来入侵植物的现状,列举了73种红河流域外来入侵物的种类,对危害比较严重的紫茎泽兰、飞机草、马樱丹、肿柄菊、凤眼莲和空心莲子草6种植物作了具体介绍。
- It is alien to the school discipline. 这是违反学校纪律的。
- She is declared an undesirable alien and deport. 她被宣布是不受欢迎的外国人并被驱逐出境。
- A benign tumour will not cause you any fatal harm. 良性肿瘤不会对你有致命的伤害。
- Cruelty is quite alien to his nature. 残忍完全不合他的本性。
- If you do harm to me I shall not look over you. 如你对我使坏，我可不饶恕你。
- His failures did his reputation a lot of harm. 他屡次失败使他的声誉受到很大损害。
- Her behavior is alien to our ethical values. 她的行为和我们的伦理标准格格不入。
- It wouldn't do him any harm to work a bit harder. 工作努力点对他没什么害处。
- A law was passed to protect alien property. 通过了一项法律保护外国侨民的财产。
- I ran into an old friend in the alien land. 我在异国他乡遇到故知。
- A little of it will not do you any harm. 一点点对你不会有什么坏处。
- There are more than 1,000 alien species in China. 中国的外来物种有1000多种。
- The man formed a habit of taking harmful drugs. 这人养成了服用有害麻醉品的习惯。
- Do wolves belong to the canine species? 狼是犬科动物吗？
