Having long hair is like wearing six-inch heels: it requires an awful lot of effort and seriously curtails your freedom.

留长发就像穿上六英寸的高跟鞋，绝对难搞、严重束缚自由。

He said the ban curtails freedom of choice for an age group considered mature enough to make many other important decisions.

他说，这项禁令限制了一个年龄层的选择自由，这个年龄层的人被认为足够成熟，可以在其它方面做出重要决定。

Having long hair is like wearing six-inch heels: it requires an dreadful lot of effort and seriously curtails your emancipation.

留长发就像穿上六英寸的高跟鞋，绝对难搞、严重束缚自由。

The aggregation of he, thus forming he bubble, usually degrades the mechanical properties of metals and curtails fatigue lifetime of materials.

氦对材料的影响主要体现在氦的聚合、氦泡形成，材料肿胀，从而破坏材料的力学性能。