Performs
v. 执行；表演（perform的第三人称单数形式）
🗣️ 情景例句
How do you like China so far?
你喜欢中国吗？
How soon can you have your product ready?
你们多久才可以把产品准备好呢？
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。