Vacuoles in the synergids tended to concentrate mainly in the chalazal region.There was a peak period of lipid formation in the two synergids.
三是助细胞与珠心相接胚囊壁有些部位出现十分明显的突起,个别突起内有大型嗜锇体。
单词 | Peak period |
释义 |
Peak period
英语例句库
Vacuoles in the synergids tended to concentrate mainly in the chalazal region.There was a peak period of lipid formation in the two synergids. 三是助细胞与珠心相接胚囊壁有些部位出现十分明显的突起,个别突起内有大型嗜锇体。
原声例句
Amazing China 纪录片(视频版) July and August is the peak period for lotus seeds. 七八月份是莲子的盛花期。 时代周刊 (Time) For most people, the peak period of infectiousness lasts about a week. 就大多数人而言,感染最严重的阶段将持续时间为一周左右。 经济学人-国际 Rival businesses may use them during peak sales periods or while bidding for big contracts. 公司竞争对手可能在销售旺季或者竞标大型合同时使用这些伎俩。 中级英语短文 " There have been fewer than last year's peak period, as people are cautious, " Hao said. “今年比去年的高峰期(人数)少,因为大家都很谨慎。” 当月 VOA Special English The peak period describes when at least 70 percent of the city's 3,700 cherry trees will be flowering. 盛花期是指全市3700棵樱花树中,至少有70%开花的时期。 英语初级听力 Now, as to the job, you would be expected to look after five tables normally, though we get in extra staff for peak periods. 现在,关于这份工作, 您通常需要照看五张桌子, 但我们会在高峰期雇用额外的员工。 Life Noggin During the peak periods where most of the water on Earth was ice, the global average temperatures were 5 to 10 degrees Celsius colder than they are today. 在地球上大部分水都是冰的高峰时期,全球平均气温比现在低 5 到 10 摄氏度。 SciShow 合集 We humans, like a lot of other animals, experience a peak period of fertility during the first third of our lifespans -- the period of our lives when we’re least likely to die from most things. 我们人类和许多其他动物一样,在我们生命的前三分之一经历生育高峰期 - 我们一生中最不可能死于大多数事情的时期。
英语百科
Rush hour![]() ![]() ![]() ![]() A rush hour (American English) or peak hour (British English) is a part of the day during which traffic congestion on roads and crowding on public transport is at its highest. Normally, this happens twice every weekday—once in the morning and once in the afternoon-evening, the times during when the most people commute. The term is often used for a period of peak congestion that may last for more than one hour. |
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