For substances appearing to contain water as the only volatile constituent, the procedure given in the chapter, Water Determination 921, is appropriate, and is specified in the individual monograph.

• 水分检测法适用于那些似乎以水分作为唯一挥发性成分的供试品，具体规定见各论。

For substances appearing to contain water as the only volatile constituent, the procedure given in the chapter, Water Determination 921, is appropriate, and is specified in the individual monograph.的用法和样例：

例句

1. "We stayed as long as we could, " he said. "When the crunch came we were ever so reluctant to pull out, we really were, but there was no alternative."
   "我们尽可能久地呆下去，"他说道："当关键时刻到来时，我们真不愿离开，真的，可是又别无选择。"