Children are altruistic by nature, "he writes, and though they are also naturally selfish, all parents need do is try to tip the balance toward social behavior."
“孩子本质上是无私的，”他写道，虽然他们也是天生自私的，家长需要做的只是努力打破两者之间的平衡，使之趋向于社会行为。
The front of the oil slick is a rounded, ghostly arm reaching toward the tip of the Mississippi Delta.
浮油的前锋呈圆形，就像一条幽灵的手臂正在伸向密西西比三角洲的尖端。
Though this week's news from Bonn was discouraging, any of these five dynamics could tip the balance toward a more optimistic outcome in Cancun.
虽然这星期来自波恩的新闻让人气馁，但是五点中的任何一点都能对坎昆会谈的结果更加乐观。
Instead of letting it pass, the holes would reflect the light back toward the tip of the fibre optic cable, effectively turning the diaphragm into a mirror even as it still allowed water to pass.
不同于让光线透过，相反地，通过纤维光缆的一端，纳米孔会将光线反射回去，极有效地将振动膜变成一面镜子，即便水流可以通过。
One of the issues warned about was rolling of the s American plate, where the top bulbous part of the plate is pulled toward the Pacific while the tip remains nailed to the Antarctic plate.
其中一个警告的问题是南美板块滚动，该板块顶部球根状的部分被拖拽着朝太平洋而去，但顶端任然被钉在南极板块上不动。
Its central message is that the future can be more a matter of choice than chance and that only knowledge can tip the scales toward choice.
其中心启示是：决定未来的与其说是机遇，不如说是选择，而只有知识才能使我们具有选择未来的能力。
That means officials must be ready to make the difficult call to tip the balance toward safety and close the schools.
这意味着，官员必须准备作出困难电话提示来平衡安全和关闭学校。
The nasal bones average 2.5cm in length, are much thicker and denser above the level of the medial canthus at the radix, and thin progressively toward the tip.
鼻骨平均约2.5厘米长，在鼻根处内眦平面以上较厚且致密，向鼻尖方向逐渐变薄。
So to bank right, you tilt the phone to the right, and tip the top of the phone (as held in landscape) toward you.
如果要想向右斜飞，只要把手机倾向右前方(当你平握着手机时)就行了。
Slightly tip his head toward you and apply light pressure to his side.
稍微把他的头拉向你，然后在他的一侧使用一些压力。
Many of us would do well to tip the balance of our diets away from high-fat meat and toward lean meats and plant-based protein such as beans.
我们中许多人能够调节饮食平衡，远离肥肉，选择瘦肉及植物蛋白例如豆类。
Many of us would do well to tip the balance of our diets away from high-fat meat and toward lean meats and plant-based protein such as beans.
我们中许多人能够调节饮食平衡，远离肥肉，选择瘦肉及植物蛋白例如豆类。
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