生態學是一門研究人類與其環境之間關係的科學英文怎麼說？

Ecology is a branch of science that studies the relation between humans and the environment.

砍下一根樹枝英文怎麼說？

hew down a branch

他抓住一根粗樹枝英文怎麼說？

He held onto a stout branch.

上議院通常是兩院制議會中較小的一個英文怎麼說？

The Upper House is usually the smaller branch of a bicameral legislature.

鳥兒棲息在樹枝上英文怎麼說？

The bird took its perch on a tree branch.

樹枝在蘋果的重壓下下垂了的英文怎麼說？

The branch sagged under the weight of the apples.

她抬起手從一根枝上摘下一顆梨英文怎麼說？

She reached up and picked a pear off a branch.

幾隻鳥棲於樹枝上英文怎麼說？

Some birds roosted on a branch.

他試圖與當地分部取得聯絡,但沒有成功英文怎麼說？

He tried in vain to get into contact with the local branch.

他將這根樹枝嫁接到了蘋果樹上英文怎麼說？

He grafted the branch onto the apple tree.

人文生態學是社會科學的一個分支英文怎麼說？

Human ecology is a branch of social science.

她想抓住樹枝,但抓不著英文怎麼說？

She clutched at the branch but could not reach it.

他緊緊抓住一根樹枝直到我們把他救下來英文怎麼說？

He got a purchase on a branch until we came to his rescue.

該公司把它的分公司設在郊區英文怎麼說？

The company located its branch office in the suburbs.

我們用樹枝做釣竿英文怎麼說？

We used a branch as a fishing pole.

他把不結果的枝都修剪掉英文怎麼說？

He pruned every branch that did not bear fruit.

光學是有關視覺、視力和光的一門學科英文怎麼說？

Optics is the branch of science concerned with vision, sight and light.

一隻鳥飛下落在樹枝上英文怎麼說？

A bird alighted on the branch.