Hld
abbr. held (hold的过去式); hold 保持; 同步; 成立
🏥 医学释义
半数致列剂量
🗣️ 情景例句
It's hot as heck in ….
在……真是太热了。
Let me look. What do you need?
我来看看。你需要什么样的零钱？
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。