As the tide made, it flapped heavily at irregular intervals against the shore . 潮水在漲,沒準兒隔多大工夫,就會掀起一陣波浪拍岸,澎湃有聲。
Emergence of new subtypes occurs from time to time at irregular intervals , causing widespread outbreaks of influenza 流感會不時變種基因改變而衍生新品種,導致流感廣泛傳播。
New subtype variants appear from time to time and at irregular intervals . this is responsible for seasonal outbreaks and implies 流感病毒的類型不時衍生新品種,導致流感出現(xiàn)季節(jié)性爆發(fā),亦即表示:
The modern office building is also open to artists . public exhibitions and vernissages public are planned at irregular intervals over the course of time 現(xiàn)代化的辦公室亦對藝術(shù)家開放,公開的展覽在terratec的辦公室不定期的舉行。
New subtype variants appear from time to time and at irregular intervals . this is responsible for seasonal outbreaks and makes periodic reformulation of the influenza vaccine necessary 流感病毒會不時衍生新品種,導致流感出現(xiàn)季節(jié)性爆發(fā)因此,流感疫苗必須定期重新調(diào)配,以確保其成效。