气流计算

The podcast edition of this article was sponsored by Audible. Get a free audiobook to keep when you sign up for a free 14-day trial at AudiblePodcast.com/gg. Ammar-gray Irl-gay ere-hay. Whoops! Sorry, I slipped into Pig Latin for a moment there. Toda

发表于:2018-12-01 / 阅读(81) / 评论(0) 分类 跟谢孟媛学语法

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: new standards for English learners in American public schools. RS: One in nine public school students is a non-native English speaker; in twenty years, it could be one in four. Th

发表于:2018-12-30 / 阅读(52) / 评论(0) 分类 词汇大师(Wordmaster)

But could this effect be transmitted to their offspring? They found nearly 200 women of whom a number had actually been in the Twin Towers. About half of them developed post-traumatic stress disorder.

发表于:2019-01-02 / 阅读(41) / 评论(0) 分类 基因外遗传现象

Their alarms calls indicate the predator's size, shape, speed, and, 它们的警报展现了捕猎者的大小、体型、速度 even for human predators, what the person is wearing and if he's carrying a gun. 甚至包括人类狩猎者的穿着,以

发表于:2019-01-17 / 阅读(37) / 评论(0) 分类 TED演讲教育篇

All animals communicate. 所有动物都会相互交流。 Crabs wave their claws at each other to signal that they're healthy and ready to mate. 螃蟹相互挥舞钳子表明它们健康并准备交配。 Cuttlefish use pigmented skin cells called

发表于:2019-01-17 / 阅读(48) / 评论(0) 分类 TED演讲教育篇

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: new standards for English learners in American public schools. RS: One in nine public school students is a non-native English speaker; in twenty years, it could be one in four. Th

发表于:2019-01-18 / 阅读(58) / 评论(0) 分类 英语单词大师-Word Master