I got up late this morning, so I just had breakfast and lunch together.
I was a little late getting out of bed this morning, so I just had one meal for breakfast and lunch.
ーI got up late this morning, so I just had breakfast and lunch together.
「今朝起きるのが遅かったので、朝ごはんと昼ごはんを兼用で食べた」
to have breakfast and lunch together で「朝昼兼用で食べる」
ーI was a little late getting out of bed this morning, so I just had one meal for breakfast and lunch.
「今朝起きるのが少し遅かったので、朝ごはんと昼ごはんを兼用で(一食)食べた」
to have one meal for breakfast and lunch で「朝昼兼用で食べる」とも言えます。
ご参考まで!