咬紧牙关 bite the bullet ; Stiff upper lip ; hold on ; clench one's teeth
外牙紧固件 externally threaded fastener
牙关紧闭 lock-jaw ; jaw clenching ; [医] trismus
男式小狗牙紧身裤 men's puppy tooth leggings
咬紧牙关应对 Bite the Bullet
咬紧牙 [口腔] tooth clinching
牙齿咬紧器总成 clutch over running
牙关紧闭症 Lockjaw ; lockjaw complex
咬紧牙关硬撑 bite the bullet
别人只能看见你的脸上云淡风轻，但谁都看不见，你的牙咬的多紧。
Others can only see your face clear, but who can not see, you bite the tight.
不锈钢螺丝系列：内六角螺栓，紧钉螺钉，机螺钉，自攻钉，马车螺丝，膨胀螺丝，吊环螺丝，牙条，开口销，平垫，弹垫等。
Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.
您感觉哪个牙有紧静吗？
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