If bad posture becomes habitual, you risk long-term effects.

　　不良姿勢(shì)一旦定型，日后可就有你受的了。

　　The military machine is ready to change its defensive posture to one prepared for action

　　軍方隨時(shí)準(zhǔn)備由防御立場(chǎng)轉(zhuǎn)向備戰(zhàn)立場(chǎng)。

　　You can make your stomach look flatter instantly by improving your posture

　　通過(guò)采取更好的坐姿，你的腹部馬上就會(huì)看起來(lái)平坦一些。

　　She says the President may just be posturing.

　　她說(shuō)總統(tǒng)也許只是在做樣子而已。

　　Poor posture can cause neck ache, headaches and breathing problems.

　　姿勢(shì)不當(dāng)會(huì)導(dǎo)致頸部疼痛、頭痛和呼吸困難。