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- It is also more likely to contain diseases, weed seeds and insects. 它还非常可能包含疾病、杂草种子和害虫。
- Among them, Ambrosia artemisiifolia and Lolium temulentum are two species of harmful quarantine weeds in China. 其中的2个种,即豚草和毒麦,为我国检疫性杂草。
- Omnivorous, the staple food of various weed seeds, stems root, and eat insects, molluscs and worms. 杂食性,主食各种杂草种子、茎根,兼吃昆虫、软体动物和蠕虫等。
- Winter and spring, the sparrow to weed seeds and wild grass seeds of plants for food, eat the food scraps of mankind. 冬季和早春,麻雀以杂草种子和野生禾本科植物的种子为食,也吃人类扔弃的各种食物。
- The identifying characteristics of eight weed seeds of Bidens L. in compositae were described in this paper. These genera are B. pilosa, B. bipinnata, B. parviflora, B. biternata, B. frondosa, B. cernua, B. maximowicziana and B. tripartite. 杂草种子的识别特征进行了描述。 这 8种鬼针草为 :三叶鬼针草 (B .;pilosa)、鬼针草 (B
- He had been kept in quarantine for a week. 他接受了一星期的检疫隔离。
- I will be out of quarantine after five days. 我五天后解除隔离。
- A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds. 这样,在耕地前想办法促使杂草萌发,随后在播种前浅耕将其杀灭。
- The chef sprinkle poppy seed on the cake. 厨师往蛋糕上撒罂粟籽。
- Part of every crop is saved for seed. 每一种庄稼都留一部分作种子。
- He weed out one by one the book he do not want. 他把不想要的书一本一本丢掉。
- First thing tomorrow I'll weed the garden. 我明天一大早首先去除园内的杂草。
- We have to weed out unqualified applicants. 我们必须淘汰不合格的申请人。
- The farmers were scattering seed on the fields. 农夫把种子撒在田里。
- Bursting apart, as some seed pods when ripe. 爆裂的,如一些荚果成熟时
- Temperature is most important for seed germination. 温度对种子的发芽至关重要。
- The seed has a hard exterior covering. 这种子外壳很硬。
- Quarantine restriction have been lifted on import animal from that country. 对来自那个国家的进口动物的检疫隔离限制已被解除。
- Professor Curran says composting weeds is another way to make use of them.The process of making organically rich compost produces heat.The heat will kill many, though not all, weed seeds. 卡恩教授说堆集杂草肥是再利用的又一方法,在堆集肥沃的有机肥的过程中能够提升热度,这样高的温度将会清除绝大部分草种。
- A ship in quarantine show a yellow flag call the quarantine flag. 被检疫的船只插着一面黄色的检疫旗。