The adjective "laborious" describes something requiring much time and effort.
adj. 费力的, 勤劳的, 辛苦的
| 单词 | laborious |
|---|---|
| 音标 | [ləˈbɔ:riəs] [ləˈbɔriəs, -ˈbor-] |
| 释义 | adj.["费力的","勤劳的","辛苦的"] |
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