That said, our test driver believed the bus was going to slow or stop to allow us to merge into the traffic, and that there would be sufficient space to do that.
2017年6月四級真題（第二套）聽力 Section A
柯林斯高階英漢雙解學習詞典釋義
V-RECIP-ERG
(使)合并;(使)融合
If one thing merges with another, or is merged with another, they combine or come together to make one whole thing. You can also say that two things merge, or are merged .