The AMTI says Vietnam expanded the island here by more than 50 percent, adding defensive positions, gun emplacements and trenches.

AMTI 称， 这里的岛屿扩大了 50% 以上，增加了防御阵地、炮台战壕。

An armylieutenant then climbed up onto the roof of the station where there were four machine-gun emplacements aiming at the crowd and called for silence.

一名陆军中尉随后爬上车站的，里有四个机枪炮位瞄准人群，并呼吁保持安静。