The bell rings and the class begins.

铃响了，开始上课。

youdao

As you can see, the class begins with String constants.

您可以看到，这个类开始部分是一些String常量。

youdao

Usually, I will nod off when the class begins about ten minutes.

通常上课开始十分钟左右我就会打瞌睡了。

youdao

Using a selection of hip-hop songs that are "positive and sexy, " the class begins simply and works up to a sweaty, hip-twisting, shoulder-shaking finale, followed by a cool-down.

WSJ: Workouts in High Heels Really Pump It Up

Our own analysis suggests that the middle class begins to influence a society when the HDI exceeds 0.70, and truly dominates that society when it exceeds 0.90.

FORBES: The Middle Class, Energy And Terrorism

Entitlements automatically grow and grow, and then the political class begins to make decisions that used to be left to markets and individuals.

WSJ: Review & Outlook: Obama's Running Mate