| 1 | With the temperature dropping rapidly, we couldn't go on with the experiment. | |
| 2 | Due to the sudden narrowness of the estuary, the flood flowed higher and higher. | |
| 3 | Take a hot sweater, since the sharp drop in temperature in night. | |
| 4 | Because the temperature will come down quickly, you should take a warm sweater. | |
| 5 | Main show: Blood pressure is abrupt urgent suddenly elevatory , giddy, have a headache, lack of power, perspire etc; |