mainly造句
Our survey revealed that these allergies were
mainly one-offs.
我们的调查显示这些过敏多为一次性反应。
There were also several accidents
mainly caused by engine failures on take-off.
还有几次事故主要是起飞时引擎出现故障造成的。
He raises crops
mainly for the use of his family.
他种农作物主要是为了家庭自用。