英语语法分析

The focus is on individuals, tweaking performances to squeeze an extra hundredth of a second here, an extra millimetre there.

工作的重心放在个人上，通过调整他们的各种表现，努力在这次比赛中多缩短百分之一秒，在那场比赛中多出一毫米。

The bugs, which are less than a millimetre long, feed on scales of human skin and produce allergens which are easily inhaled during sleep.

这些体长不超过一毫米的虫子以人类皮肤的鳞屑为食，并且产生的过敏原在睡眠时很容易被吸入。

So, a sixty millimetre diameter pebble.

所以，一个60毫米直径的卵石。