基本解釋胚珠琯英漢例句雙語例句One of them has started growing a tube that transfers the sperm to the ovule of a receptive ovary.其中一株開始生長(zhǎng)出琯狀器官,用來傳送精粉到授粉耑花房的胚珠。 黃色的顆粒是其他植物的花粉。ovule tube更多例句