坚持的

Producers,sometimes called autotrophs(self-feeders),make the nutrients they need from compounds and energy obtained from their environment.

生产者有时又称自营生物他们制造他们自己所需的能量和营养物於他们所在的环境。

Spanair Flight 5022 was packed with vacationers bound for Las Palmas in the Canary Islands, normally a three-hour flight.

西班牙航空5022号航班载满前去加那利群岛的拉斯帕尔马斯旅游的乘客，是一架通常3小时的航班。