女孩也取出小提琴，拉出悠扬的旋律。
The girl then took out her violin and played it to produce beautiful melodies of her own.
全展意味着抽屉可以完全抽柜子中全部拉出，如此容易将抽屉内物品完整直接取出。
Full extension means that the drawer comes fully out of the cabinet, allowing you to easily access the contents of the entire drawer.
“然后妈妈把她的手指拉出来，我们提取出金属离子-剩下最后的结”，合成了最复杂的分子结。
"And then mum pulls her finger out — we extract the metal ions out — and you're left with just the knot at the end." the most complex molecular knot ever synthesized.
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