Self-sustained oscillations
[电] 自励式振荡
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
sustained
[səs'teind]
adj. 持久的，持续的;
v. 维持( sustain的过去式和过去分词 );支撑;忍受;长期保持;
n. 振动；振幅（oscillation的复数形式）
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了！谢谢你带我买这些东西。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
One day a week he would spend the whole day in silence.
每周有一天他是在沉默无语中度过的。