Spectrocomparator
光谱比较仪
🗣️ 情景例句
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可以打个折扣吗？
Thank you for sending it to me.
谢谢你把它送给我。
Large groups of Native Americans were forced to move away form their old hunting grounds.
成批成批的美洲土著人被迫从他们原来的狩猎场迁走。