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免费部分
1、substantial portion───相当一部分；实质部分
2、clavicular portion───锁骨部
3、portion───vt.分配；给…嫁妆；n.部分；一份；命运
4、small portion───小份；小部分
5、large portion───大部分
6、portion size───份量大小
7、double portion───双份
8、portion of───······的部分
9、portion out───分配
1、Stamens 5--7 mm; free portion of anther connective transversely ellipsoid or subglobose, ca. 1 mm.───雄蕊5--7毫米；花药药隔离生部分横向椭圆形或近球形，约1毫米。
2、Styles 2, base united, free portion curved downward;───花柱2，基部合生，离生部分弄弯向下；
3、This higher level of abstraction should free the developer from worrying about the GUI portion of their application and allow them to focus more on the guts of their application.───这种更高层的抽象应该可以把开发人员从为应用程序的GUI部分的担忧中解放出来，让他们更多的专注应用的核心。
4、Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.───从ALa斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。
5、Clearly 'free' has been a business model for many - and will continue to do so as long as the online advertising portion of the total advertising pie keeps growing (which it is forecast to).───很明显，免费已经是许多公司的商业模式，只要在线广告份额保持增长，这种模式还将继续存在。
6、free portion of connective very short or inconspicuous.───药隔离生部分非常短或不明显。
7、free portion of lower glume a ca. 0. 2 mm truncate frill;───更低的颖片的离生部分约0.2毫米截形褶边；