| 正面 | 6603.sustained 英 [sə'steɪnd]美 [sə'stend]     |
|---|---|
| 背面 |     释义： 1. sus- "up from below" + -tain + -ed.2. => hold up, support, endure.adj. 持续的；持久的；持久不变的v. 维持（sustain的过去式和过去分词）；承受 例句： 1. America has enough firepower in the area to mount sustained air strikes.美国在该地区拥有足够的火力发动持续的空中打击。 " |
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