暴风雨把一根树枝从树干上刮了下来。
这树干里面是空的。
为什么这些树的树干上长着花草呢?
Why are there plants and flowers growing on the trunks of these trees?
我正用画笔和棕色颜料画树干。
I'm using brown paint and a paintbrush to paint the tree's trunk.
他在黑板上画了一个树干。
中间有几棵光秃秃的树干。
牠们有又重又直的树干。
一只考拉在树干上休息。
没有树干让你爬了。
它的树干是大的。
树干上有个大包。
这一丛纸桦树树干的背光是一片红黄相间的火焰。
This clump of paper birch trunks was backlit by a blaze of reds and yellows.
吉莉安让当地的一个工人用金榆树的树干来雕刻碗。
Gillian had asked a local worker to carve the bowls from a piece of the trunk of the golden elm.
这棵松树看起来又高又壮，但实际上它的树干是空心的。
This pine tree looks tall and strong but actually its trunk is hollow.
这些鱼饵可以放在地面上，也可以放在树干或大的灌木上。
These baits can be placed either on the ground or on the trunks of trees or large shrubs.
在树干的末端，有一个奇怪的部分，大约五英寸长，它形成了一个手指。
At the end of the trunk, there is a strange part, about five inches long, which forms a finger.
从雪地里钻出来的时候，红日冉冉升起，映着黑黝黝的树干，天气真不错！
It was fine, coming through the snow as the red sun was rising and showing against the black tree-trunks!
随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。
As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.
他们猛击树干来锻炼双手，练习蹲坐，让其他同学坐在他们的肩膀上锻炼腿部力量。
They jab tree trunks to toughen their hands and practice squatting with other students sitting on their shoulders to build the leg strength.
它们的树干盘根错杂，仿佛盆景一般。它们长长的卷须如帘子般垂下，发出轻柔的微光。
Their trunks are as gnarled as bonsai. Long faintly glowing tendrils hang straight down in pastel curtains.
我想去爬白桦树，沿着雪白的通向天堂的树干，爬上乌黑的树枝，直到树身再支撑不住。
I'd like to go climbing a birch tree, and climb black branches along a snow-white trunk toward heaven, till the tree could bear no more.
不形成连续层的新生植物通常是森林中的巨人，高度可达35至70米或更高，树干直径超过2米。
Emergents, which do not form a continuous layer, are usually the giants of the forest, reaching heights of 35 to 70 m or more, and trunk sizes of over 2 m in diameter.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
它们为许多动物提供了庇护所，它们的树干和树枝可以变成花园，上面挂着绿色的蕨类植物、兰花和凤梨科植物，覆盖着苔藓和藤蔓。
They provide shelter for many animals, and their trunks and branches can become gardens, hung with green ferns, orchids and bromeliads, coaled with mosses and draped with vines.
答案会不会是这样：日本宝塔——由于有着一根叫做“塔心柱”的巨大树干状中心柱子——就像一棵高大的松树般，在一场台风或地震中仅仅只会来回摇摆和弯曲呢？
Is the answer that, like a tall pine tree, the Japanese pagoda—with its massive trunk-like central pillar known as shinbashira—simply flexes and sways during a typhoon or earthquake?
男孩抓住树干，试图把它拔出来。但它一动不动。
The boy held the trunk and tried to pull it out. But it didn't move at all.
香料可以由肉桂等植物的树干、姜等的根、四叶草等的花蕾制成。
Spices can come from tree bark like cinnamon, plant roots like ginger, flower buds like cloves.
类群之间的差异和每个类群内部的相似性使大多数生物学家确信，生命之树只有两个树干。
The differences between the groups and the similarities within each group made it seem certain to most biologists that the tree of life had only two stems.
进化论的作者、年轻的英国植物学家查尔斯·达尔文，是第一个看到落叶柏树干圆周长达一百三十英尺的欧洲人。
A young English botanist named Charles Darwin, the author of the theory of evolution, was the first European to see alerces, with trunks that had a circumference of 130 feet.
旋木雀是一种小型的森林鸟类，有巨大的爪子，用来爬上树干寻找昆虫。
Treecreeper is a small forest bird with large claws for climbing tree trunks in search of insects.
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