protoplasm (原生质)
protoplasm (原生质)
protoplasm(原生质)
protoplasm(原生质)
Protoplasm is the essence of protoplast。（ ）
Protoplasm is the essence of protoplast。（ ）
Protoplasm is the essence of protoplast. A: 对 B: 错
Protoplasm is the essence of protoplast. A: 对 B: 错
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