1 p

training, practice, exercise 与 drill 用法区别

2 p

space, place 与 room 的区别

1 p

refuse 与 reject 用法区别

2 p

quiet, silent, still 与 calm 的区别

1 p

produce, product 与 production 的区别

3 p

ordinary, common, usual 与 general 的区别

2 p

long 与 (for) a long time 的用法区别

1 p

likely 与 probable 的用法区别