双语例句

• 昨晚火山显示出爆发性活动。

  The volcano showed eruptive activity last night.

• 西地那非应在性活动前大约一小时服用。

  Sildenafil should be taken about an hour before sexual activity.

• 心脏的肌源性活动确保它在没有神经输入的情况下跳动。

  The heart's myogenic activity ensures it beats without neural input.

• 在同一时期，社交媒体的使用已经从周期性活动转变为日常活动。

  And social media use has moved from a periodic activity to a daily one in the same period.

• 在同一时期，社交媒体的使用已经从周期性活动转变为日常活动。

  Social media use has moved from a periodic activity to a daily one in the same period.