He grins, delighted at the memory.想到往事，他开心地咧嘴笑了起来。The grins of his friends discomposed Jack when he tried to make his speech.杰克想要进行演讲时，他的朋友们咧着嘴笑，这使得他心里很慌乱。How can you teach a child who just grins stupidly at you all day?...
Farmers have reported a bumper crop this year.据报道今年庄稼大丰收。Install the jounce bumper on the upper spring mount.在上部弹簧固定处安装避震器.We can have roller coasters, bumper cars and bungee jumpings.我们可以坐过山车,开碰碰车,玩蹦极跳.A bumper crop rem...