large hole / great loss / (horse racing) dark horse; or the money gained from successfully betting on a dark horse

reddened face

Shimeji mushroom

culture medium

Kyūjitai form of 地区: zone (area distinguished on the basis of a particular characteristic etc)

(ecology) habitat

epicenter(AmE), epicentre(BrE) - the point on the Earth's surface directly above the focus of an earthquake. / (figuratively) The focal point of any activity, especially if dangerous or destructive .

that which is baked on the ground, such as pottery or tile / a Kansai-style baked eel

Kyūjitai form of 地点 (“site; point on a map; spot”)

downtown, urban area