丙二烯是甲基乙炔的一种异构体.Allene is an isomer of methyl acetylene.丙二烯氧化物合成酶 ( AOS ) 是茉莉酸生物合成的关键酶.Allene oxide synthase ( AOS ) is a key enzyme for JA biosynthesis....
He died in a nursing home at the age of 87.他在一家养老院去世,享年87岁。He started piano lessons at the age of 7.他7岁开始上钢琴课。He'd dropped out of high school at the age of 16.他16岁的时候就从中学退学了。...
对这种质问的反应经久不绝.Such queries have echoed down the corridors.他把口气略放和平些,带着质问的意味说: “ 佩瑶!怎么你总不开口?" Pei - yao, " he demanded as calmly as he could, " why don't you say something?母亲是不能质问的.Grandma went but only bought enough ...