一年一次的

At greatest eclipse the Sun and Moon subtended virtually the same angular diameter, so the Moon's irregular profile produced in a beaded annularity not unlike the solar eclipse of 1986 Oct 03 (Espenak 1987). Beginning with the eclipse of 1630 Dec 04, the following five events were true hybrids with increasing durations of totality.

一次最壮观的日食实际上太阳和月球看上去有着相同的直径，因此月球不规则表面产生珍珠状轮廓，就像1986年十月3日的日食。1630年开始的日食，及其之后五次是真实的混频日食，其总的持续时间也增加了。

I think he is going to blow our minds over and over with his musical choices over the next decade.

我想他会在接下来的十年当中一次又一次地用他的声音来迷幻我们。

The USSR announced its intention not to participate on May 8, 1984, citing security concerns and stating, that "chauvinistic sentiments and an anti-Soviet hysteria being whipped up in the United States"[1], but it was obvious that it was simply a revenge for the boycott of the Moscow Games.

这句格言是顾拜旦的一位密友迪东于1895年在其学生举行的一次户外活动上提出的，顾拜旦对此颇为赞赏，经他提议，1913年获国际奥委会正式批准，将其定为奥林匹克格言。1920年它又成为奥林匹克标志的一部分。此外，奥林匹克运动还有一句广为流传的名言：&重要的是参与，而不是取胜&。

A plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season.

从萌芽到死亡经历两年的植物，两年开一次花，通常在第二年开花结果。

In each of the downturns in 1975, 1982 and 1991, growth in world GDP per head turned negative.

在1975年，1982年和1991年的每一次衰退中，人均GDP都发生了下降。

Two battles are notable among others. One is the rebuke and criticism of some progressive press with the representative of La Jeunesse against the feudal superstition and pseudo - science advocated by the Society for Psychical Research around the May 4th Movement.

但最为突出的有两次：一次是五四前后《新青年》为代表的进步报刊对灵学会为代表的封建迷信与伪科学势力的声讨和批判，一次是20世纪70年代末至90年代末长达20年的围绕人体特异功能的拉锯式持久战。

The water quantity of furrow irrigation was half of subsurface irrigation and drip irrigation\'s every time; tomato was cultivated in annual spring, fertilization amount was same in different plots, annual test scheme and test methods were exactly same.

长期定位灌溉试验于1998年开始，灌溉控制上限和下限分别设定为土壤水吸力6.3KPa和40KPa，其中渗灌和滴灌处理一次灌水量为沟灌一次灌水量的1/2；每年春季栽培一茬番茄，各小区施肥量一致，每年的试验方案、试验方法完全相同。

In early 1986, I launched my campaign for reelection, this one for a four-year term.

1986年初，我开始竞选连任，这次的任期是四年。1984年，选民通过了一项修正案，把州长任期从两年改为四年，这是1874年州里实行&重建时期宪法&以来的第一次。

Preservationists in Iowa reckon they are losing 1,000 barns each year.

爱荷华的保护主义者估计他们每年会失去1000个谷仓。2007年的农业普查是第一次对古老的谷仓进行追踪调查；下一次普查要等到2012年。

Burma was badly damaged during WWII, and it has suffered countless mishaps since its independence in 1948, Since General Ne Win began military rule in 1962, this "pearl" has collected dust over the past 46 years.

缅甸在第二次大战中遭受到战火严重的破坏，战后从1948年独立之后，更是多灾多难，几乎没有一天太平过；自1962年由尼温军事执政后，至今46年以来，更是使得这颗「明珠」蒙尘。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。