Group (P Q) - Spelling Practices

[Esc]
(1) n. (降落伞) rescue equipment consisting of a device that fills with air and retards your fall
[Esc]
(2) n. Syn. similarity; analogy(类似,相似) make or place something to another's side; of or relating to multiple operations at same time; not intersecting
[Esc]
(3) v. Syn. restate; reword(解释,批注,注释) restate text in one's own words, especially to clarify thought of others
[Esc]
(4) n. (踏板,踏蹬) foot-operated lever used for actuating or controlling a mechanism
[Esc]
(5) a. Syn. sharp((声音)响亮的,尖锐的) sharp; having the power of entering or piercing
[Esc]
(6) n. (抛掷) action or manner of throwing something
[Esc]
(8) n. (塞子,栓,电插头) something, such as a cork or a wad of cloth, used to fill a hole tightly; stopper
[Esc]
(9) n. Syn. dock; pier(港,港口,端口) place on waterway with facilities for loading and unloading ships
[Esc]
(10) n. Syn. requirement; necessity(先决条件) something that is required in advance; necessity; required as a prior condition