耳垢堵塞耳道可能会影响听力。Hearing can be affected by ear wax blocking the ear canal.听力有障碍的人们主要受到两大问题的困扰。There are two main problems which afflict people with hearing impairments.经检查，她的听力有点缺陷。Her hearing was found to be slightly defe...
The middle button of his uniform jacket was strained over his belly.制服上装中间的纽扣在他的肚子上绷得紧紧的。Smiling for the cameras, the two men strained to make small- talk.两名男士微笑着面对镜头，东拉西扯着。His voice had lost its resonance; it was tense ...