释义
a. 安静的,宁静的
例句
1. Both my husband and I love the tranquil life in the country. 我丈夫和我都喜欢乡村的宁静生活。 2. A calm or tranquil state of mind; self-possession. 冷静，沉着头脑镇定或沉着的状态；自我克制
