🧩 词语组成解析
n. [常用作定语]生物研究安全性
level
['lɛvl]
n. 水平，水准;水平线，水平面;水平仪;[物]电平;
adj. 水平的;同高度的;平均的;平稳的;
vt. 使同等;对准;弄平;
vi. 拉平;（用枪等）瞄准（与 at 连用）;变得平坦;将（话、批评等）对准目标;
vi. 瞄准;拉平;变得平坦;
🗣️ 情景例句
Therefore, Ms. Smith has asked me to tell you that a meeting would not be helpful at this time.
我转告你现在会面没有什么意义。
I don't want to be lonely the rest of my life.
可我不想余生过得那么孤独。
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，