He added that 3-D testing costs more and involves higher levels of radiation. It also is not 100 % perfect, he said.
他还指出,三维乳房X光检查成本更高,辐射程度也更高。这种方式也称不上绝对完美。
单词 | testing cost |
例句 |
原声例句
VOA Special 2018年1月合集 He added that 3-D testing costs more and involves higher levels of radiation. It also is not 100 % perfect, he said. 他还指出,三维乳房X光检查成本更高,辐射程度也更高。这种方式也称不上绝对完美。 |
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