C5
[医] 溴化五烃季胺, 溴化次戊基三甲季铵
🗣️ 情景例句
A good medicine tastes bitter.
良药苦口，忠言逆耳。
John and I are old friends.
我和约翰是老朋友了。
The moment you leave this tent, you will get a big surprise.
您一走出这个帐篷，就会大吃一惊。