不忘坚强 2星
共回答了228个问题采纳率:95.2% 评论
1、use的形容词是usable(=useable)、useful和useless。
2、usefullife:使用答寿命|有效寿命|有用寿命。
3、usefulload:有效载荷|有效负载|有效荷载。
4、makeoneselfuseful帮忙。
capable of being put to use;
"usable byproducts"
fit or ready for use or service;
"the toaster was still functional even after being dropped"
"the lawnmower is a bit rusty but still usable"
"an operational aircraft"
"the dishwasher is now in working order"
convenient for use or disposal;
"the house is available after July 1"
"2000 square feet of usable office space"
21小时前
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