英文单词:calyptra

中文含义:胞衣;被子;萼裙

英语词性:noun

美式音标:kəˈlɪp trə

同义词:cap, hood, covering, sheath

易混淆单词:calypso, calipers

双语例句:

1. The calyptra is the hood that covers the capsule of mosses.

胞衣是覆盖苔藓胶囊的帽子。

2. The calyptra protects the developing sporophyte and is eventually shed.

胞衣保护着正在发育的孢子体,并最终脱落。