11.to shoot the sun or to take the sun【海】测太阳高度(以确定纬度)
12.a touch of the sun
(sunstroke)轻度中暑
13.under the sun or beneath the sun
(used for emphasis)天底下；世上；到底；究竟
Nobody under the sun eats more than you do.普天之下没有人吃得比你多。
big supermarkets which sell everything under the sun所售商品无所不包的大型超市