back-flow的例句（back-flow在句子中的用法）

• I had to bite back a yelp of surprise. 我只好强忍住，没惊叫出来。
• No one ordered him back whence he came. 没有人命令过他从哪里来回哪里去。
• Trickle water gently over the back of your baby's head. 往婴儿的脑后部轻撩些水。
• We must cut back on expenditure in order to remain solvent. 我们应减少开支,以备急用.
• They regulate the flow of water by the sluice gate. 他们用水闸门控制水的流量.
• Keep some blood plasma back for the serious cases. 留一些血浆给重病号.
• It is true that system could oscillate back - wards and forwards in this dead zone. 不过,系统在这个死区内可能会发生来回的振荡.
• The rumor has been traced back to a bad man. 那谣言经追查是个坏人造的.
• In the back of the truck was a 12.7 millimeter rapid-fire machine gun. 在卡车后面有一只12.7毫米口径的速射机关枪。
• I rode the youngster on my back. 我让小孩骑在背上.
• Subdivide the section with a diagonal - back parting. 以对角线 - 背面分别细分区段.
• We'd better straighten up the house before they get back. 我们最好在他们回来之前把房子收拾好.
• He hurt his back playing squash. 他打壁球时背部受伤了。
• You gave me back the projector. 你将幻灯机还给我了。
• In education, the pendulum has swung back to traditional teaching methods. 教育界又恢复了传统教学法。
• 'You had better go back to your Pantry, Martin,'he said. “ 马丁,你可以回到厨房去了, ” 他说.
• A back injury forced her to withdraw from Wimbledon. 背部受伤使她不得不退出温布尔登赛事。
• Shops are often reluctant to take back unsatisfactory goods. 商店一般都不愿收回顾客不称心的货物.
• He made a round-trip to the terminal and back. 他到了终点，又折回来。
• Leigh rolled over on her stomach to tan her back. 莉翻了个身趴下，开始晒后背。