How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
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取消预约
📚 句中词汇解析
从本句中提取的重要词汇
n. 注意;布告;警告;预告;
vt.& vi. 注意;
vt. 通知;留心;关照;注意到;
vi. 引起注意;
💡 not知道，注意+ice表名词 → 注意；通知
"The notice was set above the door, and I didn't see it."
通知贴在门的上方, 我没看见.
近义：apprehend, note, observe, perceive, realize, see
反义：ignore, overlook, pass, unheed, disregard, neglect
adj. 必要的;强制的;必然的;不可避免的;
n. 必需品;
💡 necess必要 + ary 表示有...性质的， → a.必要的；必然的
"Vitamin D is necessary to aid the absorption of calcium from food."
从食物中吸取钙需靠维生素D的帮助。
近义：indispensable, inevitable, mandatory, needful, obligatory, obliged
反义：needless, pointless, profitless, purposeless, redundant, reiterative
n. 储蓄，存款;保证金;沉淀物;寄存，寄存品;
vt.&vi. 储蓄;寄存;放置，安置;付保证金;
vi. 沉淀;
💡 de下面+posit放→放下不用→储存；矿藏
"We've put down a 5% deposit on the house."
我们已支付了房款的5%作为订金。
近义：place, put, bank, set, settle, decant
反义：retire, withdraw, abstract, remove, subduct, subtract
cancellation
[kænsə'leiʃən]
n. 取消;<数>（相）约;被取消的事物;作废;
"We need at least 24 hours' notice of cancellation."
如欲取消，请至少提前24小时告知。
近义：impairment, nullification, annulment, rescission, invalidation, abrogation
反义：lawfulness, legality, legitimacy, authenticity, realness, rightfulness
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
"Water allotments to farmers were cut back in the drought."
在干旱时期配给农民的水量减少。
近义：second, support, endorse, illustrate, document, backtrack
反义：impel, inch, save, loop, sheer, slew