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I'm home!; I'm back!; it's me!
now; at present; at the moment
just now; a moment ago
at once; right away; in a minute; shortly; soon
ただいま戻りました。
I've just returned.
唯今より会議を始めさせていただきます。
We will now get the meeting started.
玄関で元気よくただいまと言った。
I cheerfully said 'I'm home' at the front door.