Optional charge

[经] 选择港费用

🧩 词语组成解析

optional ['ɑpʃənl]
adj. 可选择的;随意的,任意的;非强制的;选修科目;
opt选择+ion表名词+al形容词后缀 → 可任意选择的
charge [tʃɑrdʒ]
vt. 装载;控诉;使充电;索价; vi. 索价;向前冲;记在账上;充电; n. 要价;指控;指责;电荷;
car, char 车, 跑

🗣️ 情景例句

Oh, and Grandpa's baseball glove.
噢, 还有爷爷的棒球手套。
Excuse me? I didn't hear what you said.
对不起,我没有听清你说的话。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里,引擎就发生了故障,他只好降落在海面上。
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