越冬一年生植物 Hibernal annual plants
冬天里的一把火 Winter Fire ; A fire in winter ; MINITOYO ; Non-Stop
另一个冬天 another winter day
一种冬青植物 holly
入冬后的第一场雪 the first snow
冬性一年生植物 winter annual plant ; hibernalannual
在一个冬日里 i'd be safe and warm
冬季保暖第一弹后续 Mountain Hardwear Nitrous
入冬的头一个月 thefirstmonthofwinter
天冬酰胺一水物 D-Asparagine Monohydrate ; L-Asparagine ; DL
这是晚冬晴朗的一天,只有零上几度。
It's a sunny late winter day, just a few degrees above zero.
在今天结束之前,我想我要提到一个生物学事件,它是冬春过渡的一部分,如果你有耐心的话,你可以去外面观察。
Before we close today, I thought I'd mention a biological event that's a part of the transition from winter to spring, something you can go outside and watch if you have some patience.
如果你在冬天剥桦树皮,我们称它为“冬树皮”,另外一层更加坚硬的紧贴树皮的树层就可以生产出更强更硬的材料。
If you peel birch bark in the winter, we call it "the winter bark", another layer, a tougher inner layer of the tree adheres to the bark, producing a stronger material.
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