“包里有奶粉。”卡莱布告诉她，接着就着手拿出装奶粉的瓶子，研究上面的说明，舀出奶粉，用小刀推成一平勺。
"There's formula in the bag," Caleb told her, and then proceeded to fix a bottle of it, studying the lines on the bottle, levelling the powder with a knife on the scoop.
身体后屈的“勺形”体型被认为是第二糟糕的姿势，圆肩平脊的“桥形”姿势最糟。
Being a 'bridge' with an arched back was the second worse posture, followed by a 'spoon' position with rounded shoulders but a flat back.
轻轻装满勺子，用小刀抹平，不要压紧奶粉。加入所需的勺数。
Fill the scoop lightly and level with a knife, avoid compacting the formula. Add the required number of level scoops of powder.
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