Ortho-acetate
[化] 原乙酸酯
🧩 词语组成解析
原; 直
n. 醋酸盐\\n[化] 醋酸盐(或酯、根)
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
He was amused too, because he never expected the bicycle to be found.
但又感到非常好笑，因为他从未指望那辆自行车还能找到。