One corner of the garden is devoted to South African plants under threat from agriculture, housing and invasive plant species.

VOA: standard.2010.08.09

If you look up in the corner of your Periodic Table on one of the sides, they have actually tabulated this for you.

你认真看一下角落上,在一个角落，应该已经为你们把数据列成表了。

麻省理工公开课 - 固态化学导论课程节选