The advance could help engineers pack all sorts of spheres more efficiently, from nano-sized buckyballs to Christmas tree ornaments.
这个进步可以使工程师们更加有效的包装各类球形物品，从纳米级的巴克球到圣诞树饰品都适用。
Getting all of that omiyage is not only time-consuming and cumbersome, sometimes requiring you to plan in advance to bring an empty bag just to pack it all back in, but it can be expensive.
带伴手礼不仅耗时耗力，而且有时还会让你不得不提前计划好带一个空袋子去装，真是代价昂贵。
Getting all of that omiyage is not only time-consuming and cumbersome, sometimes requiring you to plan in advance to bring an empty bag just to pack it all back in, but it can be expensive.
带伴手礼不仅耗时耗力，而且有时还会让你不得不提前计划好带一个空袋子去装，真是代价昂贵。
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