根据2000年发表在《放射线学》一项研究，孕期第24周时，磁共振成像显示，在胎儿原本平滑的大脑皮层上出现了一些新的沟槽。
At 24 weeks, magnetic resonance imaging shows just a few nascent grooves in the otherwise smooth surface of the fetal brain, according to a 2000 study in the journal Radiology.
X -射线腕表系列有四个表盘颜色变化和两个表盘设计。
The X-Ray watch collection has four dial color variations and two dial designs.
虽然你能看到表内机芯，但手表表盘是模拟X射线的外观。
The dials of the watch simulate the look of an X-Ray, as though you are seeing the movement below.
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