只有胚孔的背唇能够诱导宿主发育的改变.Only the dorsal lip of the blastopore could induce altered development in the host....

“胚孔”的英语可以翻译为：lastopore，protostoma，archistome，gastropore ...

“胚孔”的拼音为：pēi kǒng...

“胚孔痕”的英语可以翻译为：lastoporerest ...