Present difficulty
引起困难
🧩 词语组成解析
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
This is not an occasion for laguhter.
现在不是该笑的时候。
Her mother died when she was eight years old.
她8岁时母亲就去世了。