Timolol
[化] 噻吗洛尔
🗣️ 情景例句
Well begun, half done.
良好的开始，就是成功了一半。
Has your company done any research in this field?
请问贵公司对此范畴做了任何研究吗？
Not to grasp firmly is not to grasp at all.
抓而不紧等于不抓。