The Flip, in particular, suffered from thin margins and -- though it was popular -- a highly uncertain future as the built-in video functionality of smartphones kept improving.
尽管Flip颇受欢迎，但其利润微薄，且前景不够乐观，因为智能手机的内置视频功能在不断提高。
I feel very uncertain, as though I'm wandering in the dark and don't know where it's safe to step.
我心里很不踏实，就好像在黑暗中行走，不知道哪里才是安全的地方。
Though the exact date of its foundation remains uncertain, there exists evidence of teaching there as early as 1096.
虽然人们还不确定牛津大学建校的确切日期，但是有证据表明早在1096 '年牛津就有教学活动了。
Reefs may also face damage from ocean acidification, an effect of higher CO2 levels rather than of warming, as may other ecosystems, though the size of the impacts is uncertain.
珊瑚礁也要面对海洋酸化带来的危害，海洋酸化是二氧化碳水平提高给海洋造成的不同于其他生态系统气候变暖的另一种影响，而这种影响的大小还无法不确定。
Reefs may also face damage from ocean acidification, an effect of higher CO2 levels rather than of warming, as may other ecosystems, though the size of the impacts is uncertain.
珊瑚礁也要面对海洋酸化带来的危害，海洋酸化是二氧化碳水平提高给海洋造成的不同于其他生态系统气候变暖的另一种影响，而这种影响的大小还无法不确定。
应用推荐