面色灰暗miàn sè huī àn

grayish complexion

• inspection
• inspector
• inspiration
• inspire
• instability
• install
• installation
• installment
• instance
• instant
• instantaneous
• instantly
• instead
• instinct
• instinctively
• institute
• institution
• instruct
• instruction
• instructional
• instructor
• instrument
• instrumental
• insufficient
• insulate