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小测验：选择正确的单词
- 论坛新贴
mothball ['mɔθbɔ:l]
基本释义
- n. 卫生球,保藏
vt. 封存
a. 后备的
词形变化
- 时 态：moth·balled, moth·ball·ing, moth·balls
英英解释
1个名词解释
- a small sphere of camphor or naphthalene used to keep moths away from stored clothing
[同] camphor ball, mothball
1个动词解释
- put into long-term storage
- a small sphere of camphor or naphthalene used to keep moths away from stored clothing