It's going to be a I chord, then a IV chord, and we'll drop down to the IV chord.

它现有一个I级和弦，然后是IV级和弦，接着我们往下降到IV级和弦。

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Sometimes a phase iv (post-approval) trial is also pursued, where the long-term effects of the drug are monitored on those receiving prescriptions.

有时还有第四阶段，这期间药物的长期效果在接受药物的病人中被监测。

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When given by most routes (excluding iv), a drug must traverse several semipermeable cell membranes before reaching the systemic circulation.

采用大多数给药途径给药(静脉注射除外)的药物在进入体循环之前必须通过数层半渗透性细胞膜。

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To combat the growing problem, Ensalaco said in late October the U.S.Federal Bureau of Investigation (FBI) initiated Operation Cross Country IV, a nationwide crackdown on human trafficking.

VOA: standard.2009.11.13

It's going to be a I chord, then a IV chord,and we'll drop down to the IV chord.

它现有一个I级和弦，然后是IV级和弦，接着我们往下降到IV级和弦。

耶鲁公开课 - 聆听音乐课程节选

Then we'll come to a V chord, to a I chord,to a IV chord,to a V chord,to a I chord, just as we were doing with the Beach Boys.

然后出现了一个V级和弦，转到I级和弦，再到V级和弦，再到I级和弦，和我们刚才分析的Beach，Boys的一样。

耶鲁公开课 - 聆听音乐课程节选

To do that would require a Delta IV Heavy launch vehicle with a stack of two Star 48A engines.

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Chipmaker Xilinx, which had invested in both Invention Investment funds, was sued in December by IV nonetheless on grounds it had infringed on a patent IV held.

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First, Arena Pharmaceuticals disclosed that the US Drug Enforcement Agency has listed its Belviq drug on as a Schedule IV controlled substance, which means the medicaiton has a low potential for abuse.

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