now and then例句

Now and then they heard the roar of a heavy truck.
他们不时地听到大卡车的轰鸣声。

Now and then I referred a client to him.
我不时地介绍客户给他。

Stir the batter every now and then to keep it from separating.
不时搅动面糊，防止其成分散开。

• #now and then