海岸

hǎi àn fáng yù

海岸防御

coastal defence

hǎi àn yào sài

海岸要塞

coast fortification

hǎi àn mǎ tou

海岸码头

coastal dock

yán zhe hǎi àn

沿着海岸

along the coast

nán hǎi àn

南海岸

south coast

tā men shè fǎ shén bù zhī guǐ bù jué de lí kāi le hǎi àn

他们设法神不知鬼不觉地离开了海岸。

They managed to get away from the coast undetected.