单词:maximum permissible integral dose
单词:maximum permissible integral dose 相关文章
Natural Nails 自然的指甲 [扮靓 -- 指甲护理] 当你写下购物清单,当你拿起电话拨号,当你洗碗、熨衣、擦窗,或是做着每个家庭主妇都要做的许多其它事情,你有没有想到要关注一下你的指甲的健康情况? [00:07.30]Listen and Share [00:18.14]Natural Nails 自然的指甲
STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c
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[00:01.08]E Hutongs are still an integral part [00:05.48]of Beijing life. [00:07.14]They make up one third of the city's [00:08.86]residential areas and house [00:10.85]almost half the city's population. [00:13.39]And it is not surprising that touris
[00:01.53]C By connecting people's homes, [00:04.83]the hutongs in fact connected people's lives, [00:07.81]whether the lives of the rich or the lives [00:09.94]of the ordinary citizens. [00:12.01]Because the houses were built facing each other [00:1
One thing to know about the Middle East 关于中东需要知道的一件事, is that nearly every family has access to affordable domestic help. 就是几乎每个家庭都能找到可负担费用的家务代理。 The challenge therefore becomes ho