mercurial ointment汞软膏;汞制油膏
mercurial column水银柱;汞柱
mercurial poisoning水银中毒
mercurial manometer水银压力计
mercurial pendulum[计量] 水银摆
mercurial fungicide汞杀菌剂;杀真菌汞剂
Mercurial plaster汞硬膏;翻译
mercurial level水银水平仪;水银水准仪
mercurial gaiety活泼欢乐的个性
ADJ（形容词） If you describe someone as mercurial, you mean that they frequently change their mind or mood without warning. 善变的 [文学性]
...his mercurial temperament.
...他那反复无常的脾气。