A half of a third of a sixteenth of a grain of arsenic.
半丁丁点的砷

A major triad is a chord of three notes consisting of a root, and a major third with a minor third added above it.
大三和弦是包含根音在内的三音和弦，其上为小三和弦。

A man at thirty must be either a fool or a physician.
人到三十不善保养定是傻瓜。

In the dry season, aardvarks sniff out the watery melons, digging deep to quench their thirst.
旱季时, 土豚嗅出饱含着水的蜜瓜, 便往深处挖掘以解口渴。

All the cities of the children of Aaron, the priests, were thirteen cities with their suburbs.
亚伦子孙作祭司的共有十三座城，还有属城的郊野。

She abandoned herself to a diet and lost thirty pounds.
她沉迷于减肥而且减了三十磅。

After the age of about thirty they abandon individual ambition.
他们一过三十就放弃了个人的雄心壮志。

Third, the costs of abatement are large.
第三，减少排放的代价是巨大的。

Deep third degree burn of abdominal wall
腹壁深三度烧伤

The programme would abend after the third line.
程序在第三行以后会异常终止。

Seidel third order theory of aberration
塞德耳三级像差理论

Brown's transport up to third order aberration by artificial intelligence
加速器束流传输的三阶象差与人工智能

A generalized formula of the third order electrical deflection aberration coefficients and their relation with the raster pattern
普遍的电偏转三级象差系数及其与光栅图的关系

The axial third order aberration coefficients of an inhomogeneous magnetic sector field are derived for the first time.
首次推导出了非均匀扇形磁场的轴向三阶象差系数。

Analytical expressions of axial third order chromatic dispersion aberration coefficients of circular electric field
环形电场轴向三阶色散象差系数解析表达式的计算机推导

You destroy those who tell lies bloodthirsty and deceitful men the LORD abhors.
说谎言的，你必灭绝。好流人血弄诡诈的，都为耶和华所憎恶。

thirdparty out of selfdisclpline ability
无自律行为能力对象

Thirdly, the ability to score goals is quite poor.
第三, 射门能力相当差劲。

Thirdly, the information asymmetry on the basis of the user's ability.
基于信宿能力的信息不对称。

The poets ability burned itself out before he was thirty.
这个诗人不到30岁，才华便耗尽了。

The poet burned out his ability before he was thirty.
那个诗人的才能在30岁前已经枯竭了。

Third, the creation of new qualifications punishment, the ability to eliminate recidivism.
四是设立新的资格刑，消除再犯能力。

A third of the total population of the world are living in abject poverty.
全世界有三分之一的人口过着极其贫困的生活。

Not until at least thirty seconds had passed, was the man able to speak.
至少过了30秒钟, 他才说出话来。

We aren't able to supply the third and fifth items.
第三项和第五项，我们没有货供应了。