The rotational levels of the ground vibrational level may be depopulated by radiation.基态振动能级的各转动能级的粒子数可能因幅射而减少.The smallest energy transitions are between rotational levels; the next smallest between vibrational levels.在...
盖尔镇定地注视着哈里，沉默了片刻。Gail was silent for a moment, regarding Harry with his steady gaze.有一会儿，他怔怔地注视着周围的景物。He was lost in the con-templation of the landscape for a while.他漠然而漫无目标地注视着不远处。He stares detachedly into the middle di...
他一如既往，气呼呼地埋怨着。He complained with characteristic peevishness.只是刮了一道，别埋怨了。It's just a scratch. Stop whining.她埋怨他的手太冷。She complained about the coldness of his hands....