| 单词 | 在投放市场前 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔test〕The product had not been adequately tested before being put on the market.这种产品在投放市场前没有进行充分的检验。牛津搭配〔trial run〕They will put the software through many trial runs before putting it on the market.在投放市场前，他们将对软件进行多次测试。韦氏高阶 |
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