Violanthrole
二苯并羟蒽
🗣️ 情景例句
Don't worry, Gemma.
别担心 Gemma。
Do not wash dirty linen in public.
家丑不可外扬。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。