The three-day meeting marks the 30th anniversary since the discovery of HIV - the virus that leads to Aids.

为其三天的会议标志着导致艾滋的HIV病毒发现30周年。

youdao

The three-day meeting marks the 30th anniversary since the discovery of HIV - the virus that leads to Aids.

为其三天的会议标志着导致艾滋的HIV病毒发现30周年。

youdao