







A vaulted ceiling or a curved roof.
That's what a keystone species does in an ecosystem.
His idea is to build the arches horizontally, then lift them into place using kites.

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Open the tool →拱顶 (gǒng dǐng) means “a vaulted ceiling or a curved roof”.
拱顶 is pronounced gǒng dǐng in Mandarin Chinese.
“A vaulted ceiling or a curved roof.” is 拱顶 (gǒng dǐng) in Chinese.
This page has 2 example sentences using 拱顶, each with pinyin and an English translation.