短语词组短语firmly ad 牢牢地locking firmly 锁牢固;牢牢锁定;锁定牢固answer firmly 坚决地回答firmly advocate 坚决主张convince firmly 坚定地相信declare firmly 坚决地断言erect firmly 牢固地建立determine firmly 坚决要做某事stick firmly 粘得很牢固 返回 firmly