<p class="ql-block">37. a flat piece of wood or metal at the back of a boat or aircraft, which is moved from side to side, is used to control the direction of travel (6)</p><p class="ql-block">【类】oar, paddle, proppeller, sail</p><p class="ql-block">【联】粗鲁的<span style="font-size:15px;"><骑/乘</span> + 梯子</p><p class="ql-block">【记】红润的<span style="font-size:15px;"><爹爹</span></p><p class="ql-block">【记】群龙无首的/无人管理的</p><p class="ql-block"><br></p><p class="ql-block"><span style="font-size:15px;">38. </span>tha act of making a noisy argument or angry complaint (7)</p><p class="ql-block"><span style="font-size:18px;">【类】</span><span style="font-size:15px;">disturbance, quarrel, row, turmoil, din, </span></p><p class="ql-block"><span style="font-size:15px;">commotion, ruckus, rumpus, tumult</span></p><p class="ql-block"><span style="font-size:18px;">【联】跑 + (n.) 生产/制作</span><span style="font-size:15px;"><行为/动作</span></p><p class="ql-block"><span style="font-size:18px;">【记】指示/指导··建造··破坏/毁灭</span></p><p class="ql-block"><br></p><p class="ql-block">39. a noisy situation or argument (6)</p><p class="ql-block">【类】rumpus, </p><p class="ql-block">【联】跑 + 幸运<span style="font-size:15px;"><锁</span> + 我们(宾格)</p><p class="ql-block">【记】皱/拚抢/大群/普通人/寻常事<span style="font-size:15px;"><幸运</span></p><p class="ql-block"><br></p><p class="ql-block">40. a large bag used to carry things on the back (8)</p><p class="ql-block">【类】backpack, knapsack</p><p class="ql-block">【联】跑 + 鸭 + 大袋子/解雇<span style="font-size:15px;"><吸吮</span></p><p class="ql-block">【记】翻找/洗劫/劫掠<span style="font-size:15px;"><级别/等级</span></p> <p class="ql-block">37. rudder <span style="font-size:15px;">[ˈrʌdər]</span></p><p class="ql-block">【联】rude<span style="font-size:15px;"><ride</span> + ladder</p><p class="ql-block">【记】ruddy<span style="font-size:15px;"><daddy</span></p><p class="ql-block">【记】rudderless</p><p class="ql-block"><span style="font-size:15px;">【例】An oar often acts as rudder. Without a rudder the ship was not navigable.</span></p><p class="ql-block"><br></p><p class="ql-block">38. ruction<span style="font-size:15px;"> [ˈrʌkʃən]</span></p><p class="ql-block"><span style="font-size:15px;">【联】</span>run + (n.) production<span style="font-size:15px;"><action</span></p><p class="ql-block"><span style="font-size:15px;">【记】instruction··construction··destruction</span></p><p class="ql-block"><span style="font-size:15px;">【例】The protest caused a ruction in the city center. The ruction from the party next door kept me up all night. The ruction in the classroom disrupted the lesson. The sudden announcement created a ruction among the employees.</span></p><p class="ql-block"><br></p><p class="ql-block">39. ruckus <span style="font-size:15px;">[ˈrʌkəs]</span></p><p class="ql-block">【联】run + luck<span style="font-size:15px;"><lock</span> + us</p><p class="ql-block">【记】ruck<span style="font-size:15px;"><luck</span></p><p class="ql-block"><span style="font-size:15px;">【例】I requested them to stop making such a ruckus. The children are creating quite a ruckus. The ruckus left at least 69 people injured and turned Prague into a smoky battle zone.</span></p><p class="ql-block"><br></p><p class="ql-block">40. rucksack <span style="font-size:15px;">[ˈrʌksæk]</span></p><p class="ql-block">【联】run + duck + sack<span style="font-size:15px;"><suck</span></p><p class="ql-block">【记】ransack<span style="font-size:15px;"><rank</span></p><p class="ql-block"><span style="font-size:15px;">【例】He had a small green rucksack slung over one shoulder. Her rucksack bobbed gently on her back. </span></p>