Rock lobsters prey on sea urchins, and increased rock lobster densities coincided with significant decreases in urchins.
岩石龙虾以海胆为食,而岩石龙虾密度的增加正好与海胆数量的显著减少相吻合。
"Children may face serious difficulties in coping with significant moves, especially if it removes them from their current school or support system," he said.
他说:“儿童在应对重大搬迁时可能面临严重的困难,特别是如果搬迁使他们离开了目前的学校或支持系统。”
Jiangnan's silk merchant faced with significant crisis after 1860s.
1860年代之后,江南丝商面临重大危机。
"Coping with these kind of impacts if you're dealing with significant affects on your agriculture or your water supplies, your infrastructure and also trying to develop new kinds of energy approaches, for example--that's going to take long term investment,"
VOA: standard.2009.12.11
What you have is with a simple calculation five significant figures.
你有的是,一个简易的计算器和五根手指。
It does seem as though people who have brushes with death change their behavior in significant ways.
确实似乎有过和死亡擦肩而过经历的人,行为会显著地改变。
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