AutoCAD中的对象捕捉功能指捕捉(____),而捕捉功能只捕捉(____)。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧