词汇	sustained grade
释义	sustained grade 持续坡度
随便看	Be sure to this weather pointer correctly Be sure to tidy up before going out be sure about be sure and be sure and go be sure and… Be sure everything is clearly written Be sure not to be ruled by your sensations Be sure not to delay Be sure not to forget to turn off the light Be sure not to leave out this item Be sure not to let go your hold of the rope Be sure not to let the truth slip be sure of be sure of; be certain of be sure of doing sth be sure of feet be sure of foot be sure of herself be sure of himself Be sure of it Be sure of it; give me the ocular proof be sure of myself Be sure to tidy up before the guests arrive Be sure to train speech recognition