freefall
A machine that strips the bark from felled trees prior to sawing into logs
A system of training to improve the memory. / A memory card game in which a pack of cards is spread out face down and players try to turn up pairs with the same symbol.
(physics) The state of being in a motion affected by no acceleration (force) other than that provided by gravity.
Between joints
実験中、その探査機は重力だけの影響下にある運動状態に入った。
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DiQt
Free
★★★★★★★★★★
