Released substance
[医] 释放物质, H物质
🧩 词语组成解析
v. 已发布；释放（release的过去式）
🗣️ 情景例句
Keep right unless overtaking.
要靠右驾驶，除非超车。
I heard you'd been sick.
听说你身体不舒服。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。