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vi. 放松，休息；松懈，松弛；变从容；休养...
vt. 叙述；使…有联系 | vi. 涉及；认同...
Pfizer's migraine drug, Relpax, has been stuck at the FDA since late 1998, despite getting two separate letters from the FDA indicating approval was likely.
FORBES: Crisis in the Cabinet
The agency now frets over Relpax's effects on the heart.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。