sleeper

n. 睡眠者、枕木、臥鋪

懶人、死人

學術名詞

• 枕木：機械工程、造船工程、電機工程、林學、資訊
• 軌枕：資訊、土木工程
• 童睡衣：紡織科技
• 斷經紗：紡織科技
• 希里北風：氣象學
• 臥車：機械工程

英文釋義

1. a rester who is sleeping
2. a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
3. an unexpected achiever of success
4. one of the cross braces that support the rails on a railway track