height, altitude / high class, high grade, high degree

spice / perfume / flavouring

hard flight, rough passage / difficulties, rough time

have a hard flight, have a rough passage / run into difficulties, have a rough time

Kyūjitai form of 効率 (“efficiency”)

(dated) something that stands out among many other things / (figuratively) a single woman among many men

foot-and-mouth disease (Aphtae epizooticae, FMD)

descendant

light / hope in adverse circumstances

opening, release, exhibition / disclosure, exposure