えい is almost always pronounced as a long え, the same as えー."Ace" in Japanese is even spelled as エース.As a rare counterexample, えい (ray, name of a fish) is often pronounced as えい literally, not えー.@
えい is almost always pronounced as a long え, the same as えー."Ace" in Japanese is even spelled as エース.As a rare counterexample, えい (ray, name of a fish) is often pronounced as えい literally, not えー.@