🧩 词语组成解析
quad
[kwɔd]
n. 四倍;空铅;（大学的）四周有建筑物围绕的方院;四胞胎之一;
vt. 在…填补空铅;
laser
['lezɚ]
n. 激光;激光器，镭射器;
🗣️ 情景例句
He accused the government of tearing up the negotiated agreement.
他控告政府撕毁协议。
I must concentrate on my new task.
我必须专注于我的新工作。
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。