We need to find one about 30 centimetres(cm) by 30 cm by 50 cm.
我们需要找一只尺寸大约为30（厘米）X 30（厘米）X 50（厘米）的水箱。
高二英语课文
Unit 12 Mainly Revision
📚 句中词汇解析
从本句中提取的重要词汇
v. 发现;找到;查明;发觉;
n. 发现物;被发现的人;
💡 翻的(谐音): 找东西是要“翻的
"We searched in all quarters but still couldn't find it."
我们到处寻找,但仍没能找到.
近义：learn, realize, locate, perceive, sense, spot
反义：ignore, neglect, overleap, overlook, overrule, pass