音标：[.prәutә'ni:mә] ；

n. 原丝体

n. The primary growth from the spore of a moss, usually
consisting of branching confervoid filaments, on any part of which stem
and leaf buds may be developed.

protonema的用法和样例：

例句

用作名词(n.)

Describing the characters and developmental features of spore germination and protonema development of moss applied in this research by microscopy.采用显微观察的方法具体描述了藓类植物孢子萌发与原丝体发育的特征及发育特点。

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学英语单词

a good while

achromatic doublet lens

acumulation

al-zahar

alcohal-soluble protein