Obbligatos
(obbligato 的复数) n. 伴奏\\na. 不可缺少的
🗣️ 情景例句
Don't worry about it. It's nothing.
别担心，没事儿。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！