昨天当我走进房间时母亲正在做饭。

My mother was cooking when I came into the room yesterday.

youdao

当我走进房间时，发现他正在看电视。

When I entered the room, I found him watching TV.

youdao

当我走进房间时，她假装在读一本小说。

She pretended reading a novel when I came into the room.

youdao

当我走进房间时，我发现他们正在读书。

When I entered the room, I found them reading.

youdao

当我走进房间时，他甚至头都没抬一下。

When I went into the room, he did not even look up from his pages.

youdao

当我走进房间时，他没有注意到我扛着一个大箱子。

He didn't notice me carrying a big box when I came into the room.

youdao

当我走进房间时，他没有注意到我扛着一个大箱子。

He didn't notice me carrying a big box when I came into the room.

youdao