The boy surrendered the catapult to the teacher.那孩子把弹弓交给了老师.He fitted a pebble into the catapult and pulled back the elastic. Twang!他把石子放进弹弓里，然后往回拉动橡皮筋。“嘣”！The sting of the catapult bullet had worn off.挨的那下弹弓不那么疼啦....
经过反复施用除草剂，杂草得以彻底根除。With repeated applications of weedkiller, the weeds were overcome.他的池塘里长满了恣意蔓生的杂草。His pond has been choked by the fast-growing weed.花坛里杂草横生。The flower beds were overrun with grasses....
They were cunningly disguised in golf clothes.他们穿上高尔夫球服，巧妙地伪装起来。They cunningly played the game of sham peace.他们狡滑地玩弄假和平的把戏.The technique he chose cunningly - was to blatantly insult his audience.而他精心选择的方式就是:肆无忌惮地大骂观众....
These gases would seriously damage the patient's respiratory system.这些毒气会严重损害患者的呼吸系统。Industry has been working at developing harmless substitutes for these gases.该行业一直在努力开发一些可以替代这些气体的无害物质。The problem was that the ex...