英语语法分析

All reagent bottles must be stoppered immediately after use.

所有的药瓶用过后必须及时用瓶塞盖住。

The vessel containing the solution is stoppered with a glass stopper and is allowed to stand for 10 minutes.

将装溶液的容器用玻璃塞子塞好并静止10分钟。

Ensure that USP Reference Standards are stored in their original stoppered containers away from heat and humidity and protected from light.

确保USP标准品储存在原始密封容器中，防止高温高湿且注意避光。遵守产品标签上的指示。