optional
美音:[´ɔpʃənəl
]
英音:[´ɔpʃənəl
]
adj.可选择的,随意的
难易程度:
optional为短语/超纲词汇
词频:5668
词形变化:
副词:optionally
词根
opt＝to wish（希望）
近义词, 同义词
voluntary volitional willful intentional free optional discretionary willing intended spontaneous purposeful deliberateoptional discretional voluntary choosing preferential chosen choice
相关词
optional
/-ʃənl; -ʃənl/
adj that may be chosen or not, as one wishes; not compulsory 可选择的; 随意的; 非强迫的
*optional subjects at school 学校的选修课
* Formal dress is optional. 是否穿礼服自便.
* The cassette player is an optional extra in this make of car, ie It will cost extra if one chooses to have it. 这种型号汽车如需盒式磁带唱机费用另计.
adj that may be chosen or not, as one wishes; not compulsory 可选择的; 随意的; 非强迫的
*optional subjects at school 学校的选修课
* Formal dress is optional. 是否穿礼服自便.
* The cassette player is an optional extra in this make of car, ie It will cost extra if one chooses to have it. 这种型号汽车如需盒式磁带唱机费用另计.
optional
adj
if something is optional, you do not have to do it or use it, but you can choose to if you want to
≠ compulsory
three optional courses
The other excursions are optional.
optional extraBrE
Leather seats are an optional extra.
if something is optional, you do not have to do it or use it, but you can choose to if you want to
≠ compulsory
three optional courses
The other excursions are optional.
optional extraBrE
Leather seats are an optional extra.
1. While the reasons for entering the work force may vary from country to country, women everywhere are finding that to give their children an adequate life, getting a job is no longer optional.
尽管加入工作大军的原因可能因国而异，但各地的妇女都发现，要让孩子丰衣足食，惟一的选择就是找一份工作。
2. Dealer: Yes, air conditioning, tinted window, steel-belted tires, costom floormats, and sunroofs are all optional.
商人:是的,冷气,淡色窗,连钢带的轮胎,定做的车垫和通风孔都是可自由选择的东西.
更多句子>>>
尽管加入工作大军的原因可能因国而异，但各地的妇女都发现，要让孩子丰衣足食，惟一的选择就是找一份工作。
2. Dealer: Yes, air conditioning, tinted window, steel-belted tires, costom floormats, and sunroofs are all optional.
商人:是的,冷气,淡色窗,连钢带的轮胎,定做的车垫和通风孔都是可自由选择的东西.
更多句子>>>
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