They let off their guns at the British ships.
们
英国船舶开
。
They let off their guns at the British ships.
们英国船舶开。
He let off steam by yelling at a clerk.
一个职员大喊大叫, 借
发泄怒气。
He lets off steam by going to the gym after work.
下班后去体育馆锻炼，
缓压力。
The janitor let off some steam because the pressure was too high.
锅炉工把蒸
放走了一点,因为压力过高。
The engine is letting off steam to relieve the pressure in the boiler.
机车在放蒸, 
少锅炉的气压。
A bowman can let off six aimed shots in a minute, an arquebusier only one in two or three minutes, when he has gone through all his manual exercise carefully.
一名弓箭手可每分钟瞄准射击六次，而一名火绳枪手只能每两三分钟射击一次，这还是在严格按照程序操作的情况下!
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