《天工开物·上篇·乃粒》
如果连续多天不降雨，就要靠人力引水浇灌来补救。
天泽不降，则人力挽水以济。
If it doesn't rain for several days in a row, it will be necessary to rely on manpower to irrigate the crops.
<s>[INST] Convert the following English text into Classical Chinese: If it doesn't rain for several days in a row, it will be necessary to rely on manpower to irrigate the crops. [/INST] 天泽不降，则人力挽水以济。</s>
Convert the following English text into Classical Chinese: If it doesn't rain for several days in a row, it will be necessary to rely on manpower to irrigate the crops.
user
天泽不降，则人力挽水以济。
assistant