Open Menu
eevy Logo
Sign in Join

Filters

Settings

Choose a color theme for the interface

Adjust the text size throughout the application

Control the spacing and padding of interface elements

Account

Your unique username cannot be changed

Email

Email is managed through your .

Profile Settings

オペレーションシステムだった
operēshonshisutemudatta

  • Search
Noun
, 
Da Copula

The past form of オペレーションシステム

1. Was an operating system.

Past/Perfective
, 
Computing

Add to Collection

Save words and characters to collections for study.

Sign in or join to create a collection.

オペレーションシステムだった

オペレーションシステムだった Activity

Track your learning progress and view detailed analytics.

Sign in or join to view your activity.
eevy looking curious

Collection limit reached

Free includes 5 owned collections.

Unlock unlimited with Pro — or remove one you've outgrown to make room.

See Pro Manage collections

Help

Help content not available.

Share