Observational check
[化] 外观检查
🧩 词语组成解析
a. 观察的, 观测的\\n[计] 观察的
check
[tʃɛk]
vt. 检查，核对;制止，抑制;在…上打勾;
vi. 核实，查核;中止;打勾;[象棋]将一军;
n. <美>支票;制止，抑制;检验，核对;
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
Kind words are worth much and cost little.
口头方便不费力。
I fell in love with her at first sight.
我第一眼见到她就爱上了她。