a concave molding with a cross section that approximates a quarter circle
截面近于九十度弧的凹线脚

After the Incan civilization collapsed, the site was abandoned and the rainforest overgrew it for 400 years.
印加之邦既衰，山城遭弃，荒草疯长，风雨飘摇400年。

Air pollution caused by opencast mining and its abatement measures in India
印度露天采矿及其废除措施引起的污染

Leaf blade abaxially nearly glabrous, base truncate, margin serrulate. Inflorescence dense.
叶片背面近无毛, 基部截形, 边缘有细锯齿花序紧密。

segments slightly concave adaxially, cucullate, slightly succulent near apex abaxially, 3veined.
正面的裂片稍凹面, 兜状, 稍肉质近先端背面, 3脉。

Leaves abaxially tomentose on midvein and lateral veins, basally rounded to truncate.
叶背面被绒毛的在中脉和侧脉上, 基部圆形的到截形。

Stigmas truncate, thickly margined on lateral sides and abaxially, shortly beaked in front, beak horizontal.
在前面的柱头截形，厚的边缘在侧面和背面，具短喙，具喙水平。

And abbot has helped me in reincarnation.
方丈时我有再生之德。

The surfaces of the concave lens may be proportioned so as to aberrate exactly equal to the convex lens.
凹透镜的表面可以进行均匀处理，以便使像差完全与凸透镜一致。

aberration of the concave mirror is reduced by a meniscus lens.
用半月板镜头减少凹透镜的过失。

an uncanny ability to foresee the future
预见未来的神奇本领

And your mother's uncanny ability to hold a grudge.
还有你母亲可怕的记仇能力。

She had an uncanny ability to read the character of a person.
她有辨识一个人的性格的特殊能力。

Hals got that uncanny ability to see into the future.
哈尔有一种非凡的本事他能预卜未来。

not to mention the uncanny ability to collect things.
更不用说收集各种小玩意的神奇本事了

You have a way of words and an uncanny ability to motivate others.
你有一种离奇的能力与话语来激励他人。

We activate this New Year with abject activity and biconcave optimism.
我们在信念有余和不敷乐观中，迎来了新的一年。

ablative encapsulation materials using UPR
耐烧蚀包覆材料

He is unwilling to leave his official post but is incapable,so he can do nothing but obtain power by abnormal means.
他恋栈而无能，只能采取非正常手段获取职权。

Study on Basic Regularity of Abnormal Airflow Phenomena in Juxtaposed Downcast shafts.
并列进风竖井风流异常基本规律研究

The only abnormality is th incapacity to love.
唯一的残疾就是缺乏爱的能力。

The only abnormality is the incapacity to love.
惟一的残疾就是缺乏爱的能力。

The different factors incarnate the respective aboriginality and the different cultural origin.
其不同特征，体现了各自的土著性，彼此文化来源不同。

Sometimes exceptions are left uncaught, which will cause the process to abort.
有时一些异常没有被捕获, 这将造成进程异常中止。

abortion, Induced termination of pregnancy and expulsion of an embryo or fetus that is incapable of survival.
促使怀孕的停止和无法存活的胚胎或胎儿排出。