/ɪnˈʃɔ:(r); US ɪnˈʃʊər ||; ɪnˈʃυr/
(US 美 insure) verb [T] to make sure that sth happens or is definite 确保:
Please ensure that the door is locked before you leave.走的时候别忘了把门锁好。
ensure/InˋʃUr; Inˈʃʊə/especially BrE 【尤英】; insure AmE 【美】v [T] to make certain that something happens or is done 确保﹐保证: +(that) Ensure that the fire doors are kept clear. 确保防火安全门没有阻塞。
ensureensureensuresensuredensuring (British) (Americaninsure)verb (ensures, ensuring, ensured) (formal)to make certain that something happenssame meaningmake sure: Please ensure that all the lights are switched off before you leave.