gonad

n male or female organ (eg testis or ovary) in which reproductive cells are produced 性腺, 生殖腺（如睾丸、 卵巢）.

goldbrick, golden, golden age, golden eagle, golden jubilee, golden rule, Golden Syrup, golden wedding, goldfinch, goldfish, goldsmith, golf, golf ball, golf-club, golf-course (also golf-links), golfer, Goliath, golliwog, golly, goloshes, gondola, gondolier, gone, goner, gong, gonna, gonorrhoea (also gonorrhea), goo, good, good faith, good for, Good Friday, Good Heavens!, good humour, good looks, good nature, good sense, good-bye, good-for-nothing, good-hearted,