Hmcs
abbr. 加拿大皇家海军舰艇（HerMajesty's Canadian Ship）
🗣️ 情景例句
A good medicine tastes bitter.
良药苦口，忠言逆耳。
In time of peace prepare for war.
居安思危。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。