英和和英

a course of study

a course of study

a course of study

the spread of learning

incidental learning

a hindrance to study

a hindrance to study

a hindrance to study

a border incident

a remedial reading course

a close study

a study

to mark the boundaries

a supplementary course

diversify a course of study

an impediment to study

an impediment to study

to build forts on the frontier

to fortify the frontier―build forts on the frontier

cross the threshold

a curriculum of a course of study

cross [enter] one's mind

to raid the frontier―make a raid on the frontier

crosswise

the act of defending a border

learning

to prostitute one's knowledge―teach at various schools

processional cross

die on the cross

cross stripes