孢子萌发后直接产生块状原丝体;块状原丝体上产生轴丝体 、 绿丝体和次生假根.The production of massive protonema immediately follows and then caulonema, chloronema and secondary rhizoides....
I have some sore swellings on my gum and jaw.我的牙床和下巴又肿又痛.These swellings are known as buboes.这些肿胀称为淋巴结炎.He have some sore swellings on his gum or jaw.他的牙床和下巴肿痛.There are two small swellings on his face below the lip.他的嘴唇...
the theory of demographic transition人口转变论This quiet demographic counter - revolution is a dramatic upsurge in intermarriage.这种人口统计学意义上的逆向流动便是异族婚姻的大幅增加.But the demographic it's targeted at is very technology - savvy....