Have an aptitude to
容易染上…
🧩 词语组成解析
have
[hæv]
aux. 用以构成完成式及完成式的不定式，表示已经…;
vt. 有，具有;拿，取得;从事;必须，不得不;
n. 〈口〉有产者，有钱人;富国;〈英俚〉欺骗，诈骗;
have=possess持有 → 有
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
When was the last time?
最近一次是什么时候？
Her job is beginning to get her down.
她开始对工作感到厌倦了。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。