1. 籽;种子
    A seed is the small, hard part of a plant from which a new plant grows.

    e.g. ...a packet of cabbage seed...
           一包卷心菜籽
    e.g. I sow the seed in pots of soil-based compost.
           我把种子种在几盆掺有堆肥的土里。

2. 在(地里)播种
    If you seed a piece of land, you plant seeds in it.

    e.g. Men mowed the wide lawns and seeded them...
           人们割了大片草地的草，然后在上面播种。
    e.g. The primroses should begin to seed themselves down the steep hillside.
           报春花应该开始沿着陡峭的山坡一路撒播种子了。

3. (感情、过程的)起源，开端，萌芽
    You can refer to the seeds of something when you want to talk about the beginning of a feeling or process that gradually develops and becomes stronger or more important.

    e.g. He raised questions meant to plant seeds of doubts in the minds of jurors...
           他提出几个问题意欲引起陪审员的疑心。
    e.g. He considered that there were, in these developments, the seeds of a new moral order.
           他认为在这些事态发展中包蕴着一种新的道德秩序的萌芽。

4. (网球、羽毛球等体育项目中的)种子选手
    In sports such as tennis or badminton, a seed is a player who has been ranked according to his or her ability.

    e.g. ...Pete Sampras, Wimbledon's top seed and the world No.1...
           皮特·桑普拉斯，温布尔登网球锦标赛的头号种子，世界排名第一
    e.g. In the final Capriati, the third seed, defeated Katerina Maleeva.
           在决赛中，三号种子选手卡普里亚蒂击败了凯特林娜·马莉娃。

5. 将(选手或参赛队)排列名次
    When a player or a team is seeded in a sports competition, they are ranked according to their ability.

    e.g. In the UEFA Cup the top 16 sides are seeded for the first round...
           在欧洲联盟杯比赛中，排名前 16 位的球队已按位次进入首轮。
    e.g. He is seeded second, behind Brad Beven...
           他被列为二号种子选手，位居布拉德·贝文之后。

6. 开花结籽
    If vegetable plants go to seed or run to seed, they produce flowers and seeds as well as leaves.

    e.g. If unused, winter radishes run to seed in spring.
           如果不去动的话，冬萝卜会在春天开花结籽。

7. 衰老;风光不再;衰退;退化
    If you say that someone or something has gone to seed or has run to seed, you mean that they have become much less attractive, healthy, or efficient.

seed

    e.g. He says the economy has gone to seed...
           他说经济已经走向衰退。
    e.g. He was a big man in his forties; once he had a lot of muscle but now he was running to seed.
           他 40 多岁时很魁梧，曾经肌肉发达，但如今身体逐渐衰弱了。