Retinyl
视黄基
🗣️ 情景例句
This job offers me a real challenge.
这项工作对我构成真正的挑战。
There is no smoke without fire.
无风不起浪。
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。