ruồi
/flaɪz//flaɪz/"Flies in" comes from the phrase "flies in under the radar," meaning to move unnoticed or secretly. "Radar" refers to radio detection and ranging, which was used during World War II to detect enemy aircraft. Things that "fly under the radar" are not detected by this technology, and thus go unnoticed. The phrase later evolved to encompass any situation where someone or something avoids attention, even without a literal radar involved.
noun
fly
to fly a flag
flies (for fishing bait); artificial flies (for fishing bait)
to fly pigeons
(agriculture) disease caused by flies, pests
noun
flight; flight distance
to fly a flag
button
to fly pigeons
tent door
an opening down the front of a pair of trousers that fastens with a zip or buttons and is usually covered over by a narrow piece of material
một lỗ hở ở phía trước của một chiếc quần có khóa kéo hoặc nút và thường được che bởi một mảnh vải hẹp
the space above the stage in a theatre, used for lights and for storing scenery
không gian phía trên sân khấu trong nhà hát, được sử dụng để chiếu sáng và lưu trữ cảnh quan
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