The gravest concern to US is the loss of high tech weapon system to its adversary if Taiwan does not intend to defend itself or fail to defend itself.是什么意思_The gravest concern to US is the loss of high tech weapon system to its adversary if Taiwan does not intend to defend itself or fail to defend itself.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句