Theoretical indicator card
[化] 理论指示图
🧩 词语组成解析
theoretical
[,θiə'rɛtɪkəl]
adj. 理论的;推想的，假设的;空论的;
theor考虑+et=em变体，获得+ ical ...的 →theoret=theorem考虑后获得的结果=定理 + ical ...的 → a.理论(上)的
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
card
[kɑrd]
n. 卡片;纸牌;明信片;信用卡;
vt. 记于卡片上;
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
Skiing is such a challenging sport!
滑雪是非常有挑战性的运动！
At this time of the morning, the arcade was almost empty.
在早晨的这个时候，拱廊街上几乎空无一人。