惠特曼解释说，环保署曾建议让他们穿防护服，戴面罩，但是很多参加现场抢救的人员因为这种装备太笨拙而拒穿。
The EPA advised wearing protective clothing and masks, Whitman says, but many working on the site rejected the gear as too cumbersome.
同时，现场工作的重点是要稳定这些脆弱的凹处的岩石，以进一步抢救历史。
Meantime , work at the site will focus on stabilizing the fragile niche rock to further salvage history.
他们明白自己虽然不能到四川现场帮助抢救人员，但是他们献出自己微薄的力量重建四川家园。
Although they can not understand their own to the scene to help the rescue team in Sichuan, but they pay for their meagre forces rebuild their homes in Sichuan.
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