sub·ac·id /ˌsʌbˈæsəd/ (a.)稍帶酸味的,稍帶尖刻的,頗有諷刺意味的
Sub·ac·id a. Moderately acid or sour; as, some plants have subacid juices. -- n. A substance moderately acid. ◄ ►
subacid adj : slightly sour to the taste