slinging
拋砂; 拋射; 吊起
Sling, v. t. [imp. Slung Archaic Slang p. p. Slung; p. pr. & vb. n. Slinging.]
1. To throw with a sling. “Every one could sling stones at an hairbreadth, and not miss.”
2. To throw; to hurl; to cast.
3. To hang so as to swing; as, to sling a pack.
4. Naut To pass a rope round, as a cask, gun, etc., preparatory to attaching a hoisting or lowering tackle.
slinging
n : throwing with a wide motion (as if with a sling)