...业、化学工业以及用作动力源(如喷漆和充气救生筏中),以固化形式用作干冰——亦称“碳酸气” [half-heartedness;disloyalty] 二心 [equation with two unknowns] 含有两个未知数的方程式。如 2x+5y+1=0 是二元一次方程式, x 2 +3xy-2y+4=0 是二元二次方程式 .
Instead, these dreamers and ingrates now blame Mr Blair's half-heartedness for reform's failure to transform and energise British democracy as advertised.
Hawk says Nike made noises about offering him an endorsement, but never did, a sign other skateboarders interpret as showing the half-heartedness of Nike's move to get into their sport.