Guarantee reagentgr
[化] 保证试剂; 优级纯(一级品)
🧩 词语组成解析
guarantee
[,ɡærən'ti]
n. 保证，担保;保证人，保证书;抵押品;
vt. 保证，担保;
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
There is much to be said on both sides.
公说公有理，婆说婆有理。
A young man sees a sunset and, unable to understand or to express the emotion that it rouses in him,
一个年轻人看到日落，由于无法理解和表达日落在他心中唤起的激情，