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From descent to touchdown
一、音标
from /frəm/
descent /dɪˈsent/
to /tuː/
touchdown /ˈtʌtʃdaʊn/
整句连读:/frəm dɪˈsent tuː ˈtʌtʃdaʊn/
二、词义拆解(航天/航空专业释义)
descent /dɪˈsent/ n. 下降、再入减速阶段…