加上 (jiā shàng) means “plus; to put in; to add; to add on; to add into; in addition; on top of that”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
加上运费一共一百元。
Jiāshàng yùnfèi yīgòng yībǎi yuán.
Including shipping, it's 100 yuan total.
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