It isn't clear how many people were camping at the Texas site, known as the Debra L. Friedkin site, or for how long they lingered.
尚不清楚在得克萨斯这一被称为Debra L . Friedkin的地点有多少人曾居住过，以及居住了多久。
2
L The clear, plastic helmet also protects against radiation and micrometeoroids.
宇航服的透明头盔，也能够抵御射线和高速太空微粒。
3
Japan will replace the system for developing lifelong vocational competency into an effective education sys tem with clear objectives and one that has different l...