我们的纪念活动恰逢《1961年麻醉品单一公约》五十周年。

Our commemoration coincides with the 50th anniversary of the 1961 Single Convention on Narcotic Drugs.

youdao

我们的纪念活动恰逢《1961年麻醉品单一公约》五十周年。

Our commemoration coincides with the 50th anniversary of the 1961 Single Convention on Narcotic Drugs.

youdao