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;
letting down
下滑;
松弛回火,下滑;
松弛回火;
disassembly knock down strip take down take-down tear down teardown
拆卸;
disassembly knock down strip take down take-down tear down teardown
拆卸;