primary endospermnucleus的用法和樣例：
例句
- The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
另一個(gè)雄配子和次生核結合形成初生胚乳核。 - One fuses with the egg cell to form a zygote while the other either degenerates or, in certain angiosperms, fuses with the polar nuclei to give the primary endosperm nucleus.
一個(gè)與卵細胞結合形成受精卵，另一個(gè)要么退化，要么在某些被子植物中與極核結合形成初生胚乳核。
