1.
nautical twilight
航海晨昏蒙影时间(晨光从太阳中心在真地平下-12°到-6°
2.
There is the time of the summer solstice an astronomical twilight lasting throughout the whole night.
夏至时天文晨昏蒙影持续整夜。
3.
If the sky is cloudy the duration of the real twilight is of course considerably shorter.
如果天空多云，那么实际的晨昏蒙影时间是相当短的了。
4.
The phenomenon of twilight is a consequence of the scattering of the light in the atmosphere.
晨昏蒙影现象是光在大气中散射的结果。
5.
The best time for meditation are towards the morning and the evening.
最适合做冥想到时间是清晨和黄昏。
6.
Impact of Atmospheric Radiance on Efficient Imaging Signal-to-noise Ratio in Twilight Environment
晨昏时段大气辐射对成像有效信噪比的影响
7.
From morning to evening, mother and son quietly bided time in the ward.
从清晨到黄昏，母子二人静静地在病室里迎送着时间。
8.
The morning has its spectres as well as the evening.
早晨和黄昏一样，有它的各种幻影。
9.
"Let one be offered in the morning, and the other at evening;"
早晨要献一只，黄昏的时候要献一只。
10.
`Why,' responded Fix, a little embarrassed, `I don't know;
第二天早晨四点钟，仰光号比规定航行时间提前半天到达新加坡。
11.
and prance into Sunday-school, some drowsy summer morning,
再找一个夏日清晨，乘大家昏昏欲睡的时候，昂首阔步，
12.
He drowsed away the afternoon
他昏昏沉沉地消磨了一下午的时间。
13.
Adults are active in daytime and copulation tookplace from evening to next early morning.
成虫白天活动,黄昏时交尾,羽化多集中于凌晨。
14.
One lamb is to be offered in the morning and the other in the evening:
早晨要献这一只，黄昏的时候要献那一只。
15.
Tobacco have be my evening comfort and my morning curse .
香烟一直是我黄昏时分的安慰，又是清晨的祸害。
16.
At least one dress rehearsal should be performed in dark twilight.
至少应在晨昏时进行一项实际操作练习。
17.
Offer one in the morning and the other at twilight.
39早晨要献这一只，黄昏的时候要献那一只。
18.
Shadows become longer in the evening.
影子在黄昏时变长。