1·If you leave, for example, a bar of ice supported only at one end, the end, the unsupported end will deform under its own weight, it'll kind of flatten out at one end, get distorted, deformed.
举个例子,如果你把一根只有一端支撑的冰放在一边,没有支撑的一端会在自身的重量下变形,它的一端会变平,变形。
2·These exercises will help to flatten your stomach.
这些身体锻炼有助腹部变平。
—— 《牛津词典》
3·The hills flatten out here, and the ground is almost level.
这里的山丘变平了,地面基本上是平坦的。
4·Extending your tongue helps flatten the back of your tongue.
伸展舌头可以让你的舌头变平。
5·The factor should be taken into consideration that the surface of samples having been tested and calibrated may slightly flatten.
须考虑保存的已测校准样表面可能会有轻微变平这一因素。