n (1)种子(small，hard part of a plant from which，when it is planted，a new plant can grow)[C，U]：sow/plant～s 播/播种;sunflower/flower/poppy～s 向日葵/(鲜)花/罂粟籽;Figs are full of～s.无花果里都是籽。～corn/flax/money做种子的玉米/做种子的亚麻/种子基金(用以吸收更多资金的基金);a bag/packet/handful of grass～一袋/一包/一把草种;grow these crops for～种这些作物为留种;Fresh～of hardy primulas can be sown outside now.现在可以在外面播种新鲜的报春花。〖同〗grain，seedling;

(2)种子选手(good players who is given a place on the list of competition，esp in tennis)[C]：the top/first/second～头号/一号/二号种子选手;the No 1～in the quarter-finals of the snooker斯诺克四分之一决赛的一号种子选手;He's Hungary's No 3～.他是匈牙利三号种子选手。

(3)根源，起因(source，origin or beginning of anything)[C]：sow the～s of one's own destruction播下自行毁灭的种子;plant the～s of revolt/discord/disasters埋下动乱/纷争/灾难的祸根;This treaty holds the～s of a lasting peace.这个条约意味着持久和平的开端。〖同〗source，origin;

(4)子孙，后裔(children or descendants)[U，接pl动词](lit，尤in the bible)：the～of Adam亚当的后代;Jacob and his～雅各布和他的子孙;The Jews are the～of Abraham.犹太人是亚伯拉罕的后裔。〖同〗children，descendants;

go (run) to seed 1)花谢结籽：The broccoli/lettuces/onions has (have) gone to～.花椰菜/莴笋/洋葱已经结籽。 2)衰败(弱)：Don't let yourself go to～when you reach middle age.人到中年不能让自己走下坡路。

v(1)结籽(果实)((of plant) become ripe and produce seed)[I]：The plants have all～ed.所有植物都已经结籽。Sycamores～freely.西克莫树果实很盛。

(2)播种(plant seeds in land;sow)[T+n，T+n+prep (with)]：～four acres of land播种四英亩土地;～a field with corn在一块地里种玉米;～a plot with barley一小块田种大麦;〖同〗sow，plant;

(3)除去(水果，蔬菜)籽(remove the seeds from (fruit or vegetables))[T+n，尤pass]：～the cherries/the oranges/the peppers除去樱桃核/橘子核/辣椒籽;～ed raisins除去籽的葡萄干;This kind of fruit is best～ed before eating.这种水果吃前最好去掉核。

(4)挑选和安排(种子选手出场顺序使其能进入以后各轮比赛)(select and arrange(good players) in a competition，so that all the good players have a chance to reach the later rounds)[T+n，尤pass]：be～ed second/11th定为第二号/11号种子选手;be disappointed not to be～ed this year因为今年没被选为种子选手而失望;

→′seed-bed n 苗床;′seed-cake n 带芳香味道的糕饼;′seeded adj 已播种的;′seedless adj 无籽的;′seedling n幼苗，秧苗;′seedsman n 种子商;′seed-pearl n 小粒珍珠;′seedtime n 播种时期;′seedy adj 多籽的;

【用法】seed(1) 既可用作[C]也可用作[U]。若指一定量(用于播种)的种子时通常为[U]，如：a large bag of grass seed(一大袋草种);若指某种植物的籽时通常为[C]，如：rape seeds(油菜籽)。