drop dropt lay down let down plop put down set down stick down vail
放下;
drop dropt lay down let down plop put down set down stick down vail
放下;
englut get down got down push back swallow down
吞下;
englut get down got down push back swallow down
吞下;
disassembly knock down strip take down take-down tear down teardown
拆卸;