So the scientists work around the ( clerk ) clock , hoping ( a ) the virus doesn ' t mutate , but preparing for ( that ) the worst 所以，不分昼夜地工作，希望病毒不会再变异，但是也做好的打算。
The big clock which used to strike the hours day and night was damaged during the war and has been silent ever since 教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since 教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。
The frequency depends on the needs in a particular area , and ranges from once a day to eight times a day around the clock 清扫街道的次数由每天一次至八次不等，不分昼夜，视乎个别地区的需要而定。
The frequency depends on the needs of a particular area , and ranges from once a day to eight times a day around the clock 清扫街道的次数由每天一次至八次不等，不分昼夜，视乎个别地区的需要而定。
The frequency depends on the needs in a particular area , and ranges from once a day to eight times a day around the clock 清扫街道的次数由每天一次至八次不等，不分昼夜，视乎个别地区的需要而定。
The frequency of sweeping depends on the need in a particular area , and ranges from once a day to eight times a day round the clock 清扫街道的次数由每天一次至八次不等，不分昼夜，视乎个别地区的需要而定。
