scout balloon
Synonym of observation balloon
A request, usually rhetorical, to know what, in a series of negative events, is the next negative event occurring.
plural of star
(engineering) An open spanner (wrench) to tighten fragile nuts, such as flare nuts, not accessible to a ring spanner (box end wrench) or box spanner (tube spanner).
軍は敵陣の上空で情報を収集するために観測気球を打ち上げた。
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