I just happened to switch over although I haven't been watching the Olympics. [VERB PREP.]
我并没有一直在看奥运会,当时只是恰好换到这个频道。
Let's switch over to Channel 4. [VERB PREP. + to]
换到 4 频道吧。
See also: switch over
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切換為繁體中文