貿易黒字 ぼうえきくろじ Meanings Noun trade surplus Kanji 貿 trade. Read as ボウ. 易 trade. Read as エキ. 黒 black. Read as くろ. 字 character. Read as ジ. Example sentences 日本の貿易黒字は史上最高を記録しました。Japan's trade surplus soared to a record high. Jinuma: Japanese Dictionary · Word lists