may cause drowsiness
可能导致嗜睡
以上为机器翻译结果，长、整句建议使用 人工翻译 。
R67Vapours may cause drowsiness and dizziness.
蒸汽可能引起困倦和眩晕。
youdao
R67 Vapours may cause drowsiness and dizziness.
蒸汽会引起昏睡和眩晕。
On Nytol sleep aid: Warning: May cause drowsiness.
尼托安眠药的使用说明：警告：可能会引起嗜睡。
The treatment for sleep apnea may include losing weight if a person is overweight and avoiding medications or other substances that cause drowsiness.
CNN: How can someone stop or reduce snoring?
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