They found that on tannin-rich oak leaves, the virus is considerably less effective at killing caterpillars than when it is on aspen leaves, which are lower in phenols.
他们发现，在富含单宁酸的橡树叶上，病毒杀死毛虫的效果要比在白杨树叶子上的效果差得多，因为白杨树叶子的酚含量较低。
Oak leaves turn brown but stay on the trees.
橡树的叶子变成棕黄色，但仍然留在树上。
Gently, he laid it down on the bed of brown oak leaves.
他轻轻地把它放在橡树叶上。
You can use mulch made from bark, pine needles, cottonseed or oak leaves.
你可以使用由树皮、松针、棉籽或橡树叶制成的根护物。
You can use mulch made from bark, pine needles, cottonseed or oak leaves.
你可以用树皮，松针，棉籽叶或橡树叶做的根护物。
It was a pretty little footpath under the high canopy of hickory, walnut, and oak leaves.
这是一条不能再小的小路了，它穿梭在高大的山胡桃、黑胡桃、橡树之间。
Look at the rugged scenery: the slabs of purple clouds hanging over the maple and oak leaves - some gold some red as a heart.
看看崎岖的风景：紫色的云彩挂在枫树和橡树叶上。叶子有些是金色，有些如心脏一般血红。
Look at the rugged scenery: the slabs of purple clouds hanging over the maple and oak leaves - some gold, some red as a heart.
看看崎岖的风景：紫色的云彩挂在枫树和橡树叶上。叶子有些是金色，有些如心脏一般血红。
The cover's traditional interior border of oak leaves and acorns, first introduced in 1910, begins to recede around the increasingly bold feature photographs.
封面内边框饰以橡树叶和果实，1910年首次使用，随着大尺寸主题照片增多而越来越少见。
This is tantamount to dying lion playing a donkey hoof, and like the old oak leaves have withered, which endures the breeding of pests, by biting moth bite injured all over the body.
这不啻对垂死的雄狮猛踢一驴蹄子，又好比老橡树，枝叶本已凋零，更哪堪害虫滋生，被啃啮蛀食，咬得体无完肤。
The leaves of an oak tree taste foul because they are rich in tannins, a chemical that renders them distasteful or indigestible to many organisms.
橡树的叶子尝起来很臭，因为它们含有丰富的单宁酸，这种化学物质会让很多生物感到不适或难以消化。
But an oak which has fewer but bigger leaves with stronger reflections, produces a jagged wave form, or what we called a rough echo.
但是，橡树的叶子少而又大，反射力较强，会产生参差不齐的声波，或所谓的“粗糙回声”。
The late afternoon sun shone through the leaves of the giant oak tree, casting its flickering light on the cabin.
夕阳穿过大橡树的叶子，光影闪烁地照在小木屋上。
Lilacs blossom, and the maple and oak trees produce new leaves.
丁香开花了，枫树和橡树也都吐露新的枝叶。
From her nest in the oak tree the Nightingale heard him, and she looked out through the leaves and wondered.
住在橡树上的夜莺听到了他的话，她透过叶子向这边张望。
The hardwoods are trees with broad leaves. Oak, beech, birch, sycamore, maple, mahogany, and teak are all hardwoods.
硬木材是阔叶树。橡、山毛榉、桦、美国梧桐、槭、红木、柚木全都属于硬木。
The hardwoods are trees with broad leaves. Oak, beech, birch, sycamore , maple, mahogany, and teak are all hardwoods.
硬木材是阔叶树。橡、山毛榉、桦、美国梧桐、槭、红木、柚木全都属于硬木。
The larvae live on the leaves of beech, oak, and several other trees.
幼虫生活在山毛榉的叶子，栎，和其他一些树木。
Aged for a minimum of 18 months in oak barrels. The wine stays for a further 6 months in the bottle before it leaves the winery.
至少进过18个月的橡木桶酿造，装瓶后酒液继续熟化6个月达到完美状态。
When you shall be as an oak with the leaves falling off, and as a garden without water.
你们将变成一棵落叶的橡树，一座无水的花园。
Tell your mistress, Son of Earth, that I grant her safe conduct on condition that she leaves her wand behind her at that great oak.
告诉你的女主人，大地的儿子，我保证她的安全，条件是她得将魔杖留在那棵大橡树下。
You will be like an oak with fading leaves, like a garden without water.
因为你们必如叶子枯干的橡树、好像无水浇灌的园子。
On a warm day, the grand leaves of an oak offer pleasant shade.
在天热时，橡树的大叶子提供了令人舒适的树荫。
They almost look like barnacles on the leaves and the growths on the oak tree is pretty interesting and wild.
他们几乎像叶片藤壶和橡树的生长看是很有趣和野生。
Aged for at least 26 months in oak barrels. The wine is perfected in the bottle for a further 36 months before it leaves the winery.
至少进过26个月的橡木桶酿造，并在瓶中再一次熟化36个月，以达到完美状态。
The spring bottom was covered with rotting oak and poplar leaves and the water was amber like a weak steeping of them, a tea.
池底布满了腐烂的橡树枝和杨树叶，泉水呈琥珀色，象是这些枝叶浸泡出的，淡淡的一池茶。
The spring bottom was covered with rotting oak and poplar leaves and the water was amber like a weak steeping of them, a tea.
池底布满了腐烂的橡树枝和杨树叶，泉水呈琥珀色，象是这些枝叶浸泡出的，淡淡的一池茶。
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