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1·They have heavy and straight tree trunks.

牠们有又重又直的树干。

2·Why are there plants and flowers growing on the trunks of these trees?

为什么这些树的树干上长着花草呢?

3·This clump of paper birch trunks was backlit by a blaze of reds and yellows.

这一丛纸桦树树干的背光是一片红黄相间的火焰。

4·These baits can be placed either on the ground or on the trunks of trees or large shrubs.

这些鱼饵可以放在地面上，也可以放在树干或大的灌木上。

5·It was fine, coming through the snow as the red sun was rising and showing against the black tree-trunks!

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！

6·Their trunks are as gnarled as bonsai. Long faintly glowing tendrils hang straight down in pastel curtains.

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。

7·They jab tree trunks to toughen their hands and practice squatting with other students sitting on their shoulders to build the leg strength.

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。

8·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.

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。

9·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.

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。

10·You should have seen him in his swimming trunks—not a pretty sight!

你应该见识见识他穿游泳裤的样子—真是一景呢！《牛津词典》

中继线

1·The T104 test, used for two-way transmission loss measurements, far-to-near noise measurements and near-to-far noise checks is normally used in testing toll trunks.

T104测试线。用于双向传输损耗测量，由远至近噪声测量以及通常用于测试长途中继线的由远至近的噪声。

(1)swimming trunks泳裤