She tensed up as she heard the explosion.

听到爆炸声她紧张起来。

youdao

When I tensed up, she realized I didn't recognize her.

我紧张的神情，让她意识到我并没有认出她。

youdao

When I tensed up, she realized I didn't recognize her.

我紧张的神情，让她意识到我并没有认出她。

youdao