The words 'heavy' and 'rain' co-occur frequently.

heavy 和 rain 两词频繁同现。

《牛津词典》

Such integration should occur frequently throughout the day.

这样的集成在一天当中应该频繁地进行。

youdao

Procedures and functions occur frequently in Oracle databases, and MTK migrates both of them.

过程和函数常常出现在Oracle数据库中，MTK都可以迁移它们。

youdao

Protesting police are in charge of controlling the massive demonstrations that occur frequently in La Paz.

CNN: Bolivian police mutiny over pay, other issues

Although in-hospital medication errors receive most of the attention, neighborhood-drug-store mishaps, similar to the one in Colorado, also occur frequently.

FORBES: Medication Mistakes Are A Tough Pill To Swallow

Price drops or runups that the coin-tossing model sees as impossible--changes with a probability of a millionth of a millionth of a millionth of a millionth--occur frequently.

FORBES: Mandelbrot: A Math Maverick Takes Stock