Ecker's plug
[医] 埃克尔氏栓(卵黄栓)
🧩 词语组成解析
plug
[plʌɡ]
n. 塞子;插头;消防栓;（内燃机的）火花塞;
vt.& vi. 插上插头;
vt. 以（塞子）塞住;插入;〈俚〉枪击，殴打;
vi. 填塞，堵;〈俚〉勤苦工作，用功;
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
We would be glad to start business with you.
我们很高兴能与贵公司建立贸易往来。
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，