First-class accommodation is available on all flights.

所有班机都备有一等舱位。

《牛津词典》

All incoming students at the academy are required to take a college writing class in their first term.

学院的所有新生在第一学期都必须上大学写作课。

youdao

FA: All first class meals are gourmet. We'll serve you in an hour, but you can order now.

空服员︰所有头等舱的餐点都是美食。我们将在一小时内供餐，可是您可以现在点餐。

youdao

The Australia leg-spinner was banned for 12 months from all international and first-class cricket after testing positive for a banned substance.

BBC: Olonga moves to England

Traffic jams, inefficient taxi drivers and long lines at the check-in all stand between you and your first-class seat or business opportunities.

WSJ: Cutting Down On the To and Fro

But United also says that not all very long-haul routes merit first-class service.

CNN: First-class vs. business: Is it worth the extra cost?