| 单词 | 供试用 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔trial period〕They want all suppliers of mobile phones to offer users a trial period.他们想让所有移动电话供应商为用户提供试用期。外研社新世纪The goods were sent on approval and were later returned.所发送的货物是供试用的，以后可退回。牛津商务 |
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