Most scorpions are active only at night.

多数蝎子只在晚间活动。

Basement's off-limits.Actives only. You know that.

地下室是禁地 你知道的。

Turns out special cells in our brains are active only when we look at faces, and they're not active when we look at other things.

结果是只有当我们看到人脸时大脑里某些特殊细胞才会变得活跃，而我们看其他东西时它们并不活跃。

Even the eyes of mammals that were diurnal—active only during the day—had certain characteristics of nocturnal eyes, like those of creatures who are active at night.

即使是昼夜活动的哺乳动物的眼睛——只在白天活动——也具有夜间活动的眼睛的某些特征，就像在夜间活动的生物的眼睛一样。

My brother followed the court to Ghent; I, by Henriette's advice (for I kept up a correspondence with her, active on my side only), went there also with the Duc de Lenoncourt.

我哥哥跟着法院去了根特；我，根据亨丽埃特的建议（因为我和她保持着通信，只在我这边活跃），也和德·列侬库尔公爵一起去了那里。