- 重点词汇
- isvt.& vi. 是(be的三单形式);
- thispron.这，这个;这事，这人;这时;下面所说的事;
- notadv. (否定后面的词或短语，或作否定的回答)不;(构成动词be、do和have及情态动词can或must等的否定形式，常缩略为n't)没有;否，或许不;（拒绝或不允许）不
- securityn.保护措施;保卫部门;担保;安全;防卫;抵押品;证券;
- catalogn.目录（簿）;一连串（坏事）;
- countersignedv.<术>连署，副署，会签 （文件）( countersign的过去式 );
- whichpron.哪一个;（…的）那个;
- validadj. 有效的;有法律效力的;正当的;健全的;
- 相关例句
Competitor aged under 21, this application form must be countersigned by guardian.
年龄未满21岁之赛员, 必须由监护人于表格上签署.
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Councilmen spoke up and set forth many suggestions for revision and complement.
理事们踊跃发言,提出了若干修改、补充意见.
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Jelly-beans are an ideal food for couch potatoes and for chewing when you watch a movie.
豆胶糖对电视迷们来说是很好的食物,也适合看电影时吃.
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毫不意外, 这类人比那些懒在沙发里面吃薯片的人更喜欢坐健康的研究.
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Of or relating to seed germination in the cotyledons remain below the surface of the ground.
地下生的,地下产生子叶的种子萌芽的,或与之有关的,在这种萌芽里胚胎保留在地表面以下.
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A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination.
双子叶植物具有两片胚籽的或通常在萌芽上有双子叶的花卉植物.
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Removal of cotyledons during germination could retard growth, but NOT stop growth.
萌芽时去除子叶只会减慢生长, 而不会停止幼苗的生长.
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油菜已经建立了子叶 、 胚轴 、 原生质体及小孢子培养的再生体系.
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Cotyledons play an important part in the early stages of seedling development.
子叶在种子发育的早期起到了重要的作用.
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Sakers and aspirators separate the hull from the cracked cotyledons and rollers flake them.
皮壳与破碎的豆瓣,通过振动筛和吸壳器彼此分离,豆瓣由滚轮压成?绕0.
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The development of the soybean seedling is dependent on the food reserves stored in the cotyledons.
大豆幼苗的发育依靠子叶中所贮存的养分.
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The cotyledons of the mature embryo are either green, yellow or chalky yellow.
成熟胚的子叶是绿色, 黄色或浅黄色.
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Building a home from scratch can be both exciting and challenging.
建立一个全新的家庭既让人兴奋又富于挑战。
《柯林斯高阶英汉双解学习词典》
