🧩 词语组成解析
n. 戈壁沙漠, 戈壁滩
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
'I must be at work at 10 o'clock.
“我必须在10点钟上班，我的雇主会证明我是按时到了那儿的。