People usually exchange presents, and eat turkey and Christmas pudding on this day.

Children search in their Christmas pudding for new coins which are hidden in it.

儿童搜寻在他们的圣诞布丁,为新硬币,这是隐藏在它.

A: Are you a pipe fitter?

您是管道技工 吗 ?

The use of dissimilar metals in a plumbing system may or may not create a problem.

管道系统采用的异金属可能会也可能不会产生问题.

Then it's recycled back into the plumbing system.

最后,经过回收的水又流回了冲水系统.

Skills to read layouts and Engineering drawings, can design plumbing system as well.

熟练的读懂管路分布图及工程图纸, 能够设计给排水管路系统.

In addition, the germinative energy, germinative index and vital index of the seeds also discorded between HT and CK.

此外，航天组与对照组SP1植株的种子发芽芽势、发芽率及活力指数等指标上也表现出一定差异。

The husband discorded with his wife.

丈夫与他妻子不和。

The speaker's opinion discorded with the principle of this society.

演讲者的意见与本会的原则不符。

Learn to express something with Past Perfect Tense.

学会描述过去所发生的事情.

The present and past perfect tenses both belong to the perfect tense.

现在完成时和过去完成时都属于完成时态.

An aurora borealis sends ribbons of yellow - green light through the sky over northern Canada.

北极光在自然界的模式。一个北极光发送黄绿色带灯光通过加拿大北部上空。

The distribution characteristic of auroral electrojet in AZS, is helpful for the studies of F layer and magnetosphere coupling in polar region and aurora dynamics.

了解了极光电集流在南极中山站的分布特征，有利于极区电离层和磁层耦合及极光动力学的研究。

The Alfv é n solitary waves, accompanied by the parallel electric field, take an important part to accelerate the charge particles. This provides a possible physical mechanism for the acceleration of polar aurora in the auroral region.

Alfv啨n孤波携带有平行电场，它对带电粒子的加速有重要作用，这给极光粒子加速提供了一种可能的物理机制。

The S & P 500 is down 50 % from its peak, and indexes around the world have cratered.

标准 普尔 500指数迄今已从高点回落50%左右, 世界各地的股指也纷纷下跌.

Artillery cratered the road.

大炮把路面轰得坑坑洼洼.

I further cratered my chin as an adult.

成年后,我又在下巴上留下了痕迹.

Aurora felt the opium haze enfold her

奥萝拉感觉自己被笼罩在鸦片烟霾中。

The Expressions of Aurora A in Human Esophageal Squamous Cell Carcinoma

食管鳞状细胞癌组织中TPX2的表达

AURORA: At least you found the great love of your life.

奥柔拉：至少你生命中找到了挚爱。

So if you see an aurora, keep your ears open.

所以，如果你看到极光，记得竖起耳朵倾听。