他在电话会议时在便利贴上随手画了些小甲虫涂鸦。

He drew tiny ___doodlebugs on the sticky notes during the conference call.

爷爷用他的探测仪找到了地下水源的位置。

Grandpa used his ___doodlebug to locate the underground water source.

奶奶告诉我们这些在花园里爬行的小虫子叫土狗子。

Grandma told us these tiny insects crawling in the garden are called ___doodlebugs.

伦敦市民一听到嗡嗡声就知道该死的飞弹又来了。

Londoners knew the dreaded ___doodlebug was coming when they heard the buzzing sound.