And we talked about a triad being a configuration of three pitches where you take the first, the third and the fifth.
三和弦是由三个音高配置成的,你们可选取第一,第三和第五个音。
There's always hope, there's always something out there.
总有希望,总有事可成。
Now, these Th-cells, helper T-cells, go on to stimulate B-cells, and it's these B-cells that become the mature antibody producing cells that make quantities of antibody that fill up in your body.
这些辅助性T细胞,进一步刺激B淋巴细胞,从而使这些B淋巴细胞,逐渐发育成成熟的抗体生成细胞,可在体内产生大量抗体
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