he felt so sleepy that he soon fell asleep
他很困，很快就睡着了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He felt so sleepy that he soon fell asleep.
他觉得很瞌睡很快就睡着了。
youdao
Unluckily, the delegate felt so sleepy that he soon fell asleep without realizing that he had left his passport and the draft of his speech in the taxi.
不幸的是，这位代表觉得很困很快就睡着了，并没有 意识到他把自己的护照和演讲稿忘在了出租车上。
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