第二点，那就是需要维持和美国高度安全系数的军事结盟，尤其是最近几天来，日本和中国的关系一直很紧张。

The second is the importance of maintaining a strong security alliance with America, especially while Japan’s relations with China remain as rocky as they have shown to be in the past few days.

youdao

第二点，那就是需要维持和美国高度安全系数的军事结盟，尤其是最近几天来，日本和中国的关系一直很紧张。

The second is the importance of maintaining a strong security alliance with America, especially while Japan's relations with China remain as rocky as they have shown to be in the past few days.

youdao

氮气是惰性气体，膨胀系数低，不轻易随环境温度上升而上升，可较长时间维持正常胎压，大大降低爆胎几率。

Nitrogen is the inert gases, low expansion coefficient, not easily with the environmental temperature rise for a long time, can maintain normal tire pressure, greatly reduce the flat tire.

youdao