... curl one's lip v. 撇嘴 curl ring (起重机)转盘 curl up v. 卷起 ...
双语例句
1
The impaction of long blade with high energy can cause large deformation and the blade will curl as U shape and tear the wall of the containment ring at the second impact position.
高能量长叶片撞击将形起大变形，叶片弯曲成U形，机匣在第二次撞击处被撕裂击穿。
2
It should be well covered with hair, on the inside, thick and wiry, underside longer and towards the end a slight fringe is not objectionable. A curl or ring tail is undesirable.